configure.ac revision 1.7
1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 3# 2014, 2015, 2016, 2019 Free Software Foundation, Inc. 4# 5# This file is free software; you can redistribute it and/or modify it 6# under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, but 11# WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13# General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program; see the file COPYING3. If not see 17# <http://www.gnu.org/licenses/>. 18 19############################################################################## 20### WARNING: this file contains embedded tabs. Do not run untabify on this file. 21 22m4_include(config/acx.m4) 23m4_include(config/override.m4) 24m4_include(config/proginstall.m4) 25m4_include(config/elf.m4) 26m4_include(config/debuginfod.m4) 27m4_include([libtool.m4]) 28m4_include([ltoptions.m4]) 29m4_include([ltsugar.m4]) 30m4_include([ltversion.m4]) 31m4_include([lt~obsolete.m4]) 32m4_include([config/isl.m4]) 33 34AC_INIT(move-if-change) 35AC_DISABLE_OPTION_CHECKING 36 37progname=$0 38# if PWD already has a value, it is probably wrong. 39if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi 40 41# Export original configure arguments for use by sub-configures. 42# Quote arguments with shell meta charatcers. 43TOPLEVEL_CONFIGURE_ARGUMENTS= 44set -- "$progname" "$@" 45for ac_arg 46do 47 case "$ac_arg" in 48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) 49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` 50 # if the argument is of the form -foo=baz, quote the baz part only 51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; 52 *) ;; 53 esac 54 # Add the quoted argument to the list. 55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" 56done 57if test "$silent" = yes; then 58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" 59fi 60# Remove the initial space we just introduced and, as these will be 61# expanded by make, quote '$'. 62TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 63AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) 64 65# Find the build, host, and target systems. 66ACX_NONCANONICAL_BUILD 67ACX_NONCANONICAL_HOST 68ACX_NONCANONICAL_TARGET 69 70dnl Autoconf 2.5x and later will set a default program prefix if 71dnl --target was used, even if it was the same as --host. Disable 72dnl that behavior. This must be done before AC_CANONICAL_SYSTEM 73dnl to take effect. 74test "$host_noncanonical" = "$target_noncanonical" && 75 test "$program_prefix$program_suffix$program_transform_name" = \ 76 NONENONEs,x,x, && 77 program_transform_name=s,y,y, 78 79AC_CANONICAL_SYSTEM 80AC_ARG_PROGRAM 81 82m4_pattern_allow([^AS_FOR_TARGET$])dnl 83m4_pattern_allow([^AS_FOR_BUILD$])dnl 84 85# Get 'install' or 'install-sh' and its variants. 86AC_PROG_INSTALL 87ACX_PROG_LN 88AC_PROG_LN_S 89AC_PROG_SED 90AC_PROG_AWK 91 92srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` 93 94# We pass INSTALL explicitly to sub-makes. Make sure that it is not 95# a relative path. 96if test "$INSTALL" = "${srcdir}/install-sh -c"; then 97 INSTALL="${srcpwd}/install-sh -c" 98fi 99 100# Set srcdir to "." if that's what it is. 101# This is important for multilib support. 102pwd=`${PWDCMD-pwd}` 103if test "${pwd}" = "${srcpwd}" ; then 104 srcdir=. 105fi 106 107topsrcdir=$srcpwd 108 109extra_host_args= 110 111### To add a new directory to the tree, first choose whether it is a target 112### or a host dependent tool. Then put it into the appropriate list 113### (library or tools, host or target), doing a dependency sort. 114 115# Subdirs will be configured in the order listed in build_configdirs, 116# configdirs, or target_configdirs; see the serialization section below. 117 118# Dependency sorting is only needed when *configuration* must be done in 119# a particular order. In all cases a dependency should be specified in 120# the Makefile, whether or not it's implicitly specified here. 121 122# Double entries in build_configdirs, configdirs, or target_configdirs may 123# cause circular dependencies and break everything horribly. 124 125# these library is used by various programs built for the build 126# environment 127# 128build_libs="build-libiberty build-libcpp" 129 130# these tools are built for the build environment 131build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" 132 133# these libraries are used by various programs built for the host environment 134#f 135host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv libctf" 136 137# these tools are built for the host environment 138# Note, the powerpc-eabi build depends on sim occurring before gdb in order to 139# know that we are building the simulator. 140# binutils, gas and ld appear in that order because it makes sense to run 141# "make check" in that particular order. 142# If --enable-gold is used, "gold" may replace "ld". 143host_tools="flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools" 144 145# these libraries are built for the target environment, and are built after 146# the host libraries and the host tools (which may be a cross compiler) 147# Note that libiberty is not a target library. 148target_libraries="target-libgcc \ 149 target-libbacktrace \ 150 target-libgloss \ 151 target-newlib \ 152 target-libgomp \ 153 target-liboffloadmic \ 154 target-libhsail-rt \ 155 target-libatomic \ 156 target-libitm \ 157 target-libstdc++-v3 \ 158 target-libsanitizer \ 159 target-libvtv \ 160 target-libssp \ 161 target-libquadmath \ 162 target-libgfortran \ 163 target-libffi \ 164 target-libobjc \ 165 target-libada \ 166 target-libgo" 167 168# these tools are built using the target libraries, and are intended to 169# run only in the target environment 170# 171# note: any program that *uses* libraries that are in the "target_libraries" 172# list belongs in this list. 173# 174target_tools="target-rda" 175 176################################################################################ 177 178## All tools belong in one of the four categories, and are assigned above 179## We assign ${configdirs} this way to remove all embedded newlines. This 180## is important because configure will choke if they ever get through. 181## ${configdirs} is directories we build using the host tools. 182## ${target_configdirs} is directories we build using the target tools. 183configdirs=`echo ${host_libs} ${host_tools}` 184target_configdirs=`echo ${target_libraries} ${target_tools}` 185build_configdirs=`echo ${build_libs} ${build_tools}` 186 187m4_divert_text([PARSE_ARGS], 188[case $srcdir in 189 *" "*) 190m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl 191 AC_MSG_ERROR([path to source, $srcdir, contains spaces]) 192m4_popdef([AS_MESSAGE_LOG_FD])dnl 193 ;; 194esac 195ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` 196]) 197 198################################################################################ 199 200srcname="gnu development package" 201 202# This gets set non-empty for some net releases of packages. 203appdirs="" 204 205# Define is_cross_compiler to save on calls to 'test'. 206is_cross_compiler= 207if test x"${host}" = x"${target}" ; then 208 is_cross_compiler=no 209else 210 is_cross_compiler=yes 211fi 212 213# Find the build and target subdir names. 214GCC_TOPLEV_SUBDIRS 215# Be sure to cover against remnants of an in-tree build. 216if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then 217 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. 218Use a pristine source tree when building in a separate tree]) 219fi 220 221# Skipdirs are removed silently. 222skipdirs= 223# Noconfigdirs are removed loudly. 224noconfigdirs="" 225 226use_gnu_ld= 227# Make sure we don't let GNU ld be added if we didn't want it. 228if test x$with_gnu_ld = xno ; then 229 use_gnu_ld=no 230 noconfigdirs="$noconfigdirs ld gold" 231fi 232 233use_gnu_as= 234# Make sure we don't let GNU as be added if we didn't want it. 235if test x$with_gnu_as = xno ; then 236 use_gnu_as=no 237 noconfigdirs="$noconfigdirs gas" 238fi 239 240use_included_zlib= 241AC_ARG_WITH(system-zlib, 242[AS_HELP_STRING([--with-system-zlib], [use installed libz])]) 243# Make sure we don't let ZLIB be added if we didn't want it. 244if test x$with_system_zlib = xyes ; then 245 use_included_zlib=no 246 noconfigdirs="$noconfigdirs zlib" 247fi 248 249# Don't compile the bundled readline/libreadline.a if --with-system-readline 250# is provided. 251if test x$with_system_readline = xyes ; then 252 noconfigdirs="$noconfigdirs readline" 253fi 254 255# some tools are so dependent upon X11 that if we're not building with X, 256# it's not even worth trying to configure, much less build, that tool. 257 258case ${with_x} in 259 yes | "") ;; # the default value for this tree is that X11 is available 260 no) 261 skipdirs="${skipdirs} tk itcl libgui" 262 # We won't be able to build gdbtk without X. 263 enable_gdbtk=no 264 ;; 265 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; 266esac 267 268# Some are only suitable for cross toolchains. 269# Remove these if host=target. 270cross_only="target-libgloss target-newlib target-opcodes" 271 272case $is_cross_compiler in 273 no) skipdirs="${skipdirs} ${cross_only}" ;; 274esac 275 276# If both --with-headers and --with-libs are specified, default to 277# --without-newlib. 278if test x"${with_headers}" != x && test x"${with_headers}" != xno \ 279 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 280 if test x"${with_newlib}" = x ; then 281 with_newlib=no 282 fi 283fi 284 285# Recognize --with-newlib/--without-newlib. 286case ${with_newlib} in 287 no) skipdirs="${skipdirs} target-newlib" ;; 288 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; 289esac 290 291AC_ARG_ENABLE(as-accelerator-for, 292[AS_HELP_STRING([--enable-as-accelerator-for=ARG], 293 [build as offload target compiler. 294 Specify offload host triple by ARG])]) 295 296AC_ARG_ENABLE(offload-targets, 297[AS_HELP_STRING([--enable-offload-targets=LIST], 298 [enable offloading to devices from comma-separated LIST of 299 TARGET[=DIR]. Use optional path to find offload target compiler 300 during the build])], 301[ 302 if test x"$enable_offload_targets" = x; then 303 AC_MSG_ERROR([no offload targets specified]) 304 fi 305], [enable_offload_targets=]) 306 307# Handle --enable-gold, --enable-ld. 308# --disable-gold [--enable-ld] 309# Build only ld. Default option. 310# --enable-gold [--enable-ld] 311# Build both gold and ld. Install gold as "ld.gold", install ld 312# as "ld.bfd" and "ld". 313# --enable-gold=default [--enable-ld] 314# Build both gold and ld. Install gold as "ld.gold" and "ld", 315# install ld as "ld.bfd". 316# --enable-gold[=default] --disable-ld 317# Build only gold, which is then installed as both "ld.gold" and "ld". 318# --enable-gold --enable-ld=default 319# Build both gold (installed as "ld.gold") and ld (installed as "ld" 320# and ld.bfd). 321# In other words, ld is default 322# --enable-gold=default --enable-ld=default 323# Error. 324 325default_ld= 326AC_ARG_ENABLE(gold, 327[AS_HELP_STRING([[--enable-gold[=ARG]]], 328 [build gold @<:@ARG={default,yes,no}@:>@])], 329ENABLE_GOLD=$enableval, 330ENABLE_GOLD=no) 331case "${ENABLE_GOLD}" in 332 yes|default) 333 # Check for ELF target. 334 is_elf=no 335 case "${target}" in 336 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ 337 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ 338 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ 339 | *-*-solaris2* | *-*-nto* | *-*-nacl*) 340 case "${target}" in 341 *-*-linux*aout* | *-*-linux*oldld*) 342 ;; 343 *) 344 is_elf=yes 345 ;; 346 esac 347 esac 348 349 if test "$is_elf" = "yes"; then 350 # Check for target supported by gold. 351 case "${target}" in 352 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \ 353 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*) 354 configdirs="$configdirs gold" 355 if test x${ENABLE_GOLD} = xdefault; then 356 default_ld=gold 357 fi 358 ENABLE_GOLD=yes 359 ;; 360 esac 361 fi 362 ;; 363 no) 364 ;; 365 *) 366 AC_MSG_ERROR([invalid --enable-gold argument]) 367 ;; 368esac 369 370AC_ARG_ENABLE(ld, 371[AS_HELP_STRING([[--enable-ld[=ARG]]], 372 [build ld @<:@ARG={default,yes,no}@:>@])], 373ENABLE_LD=$enableval, 374ENABLE_LD=yes) 375 376case "${ENABLE_LD}" in 377 default) 378 if test x${default_ld} != x; then 379 AC_MSG_ERROR([either gold or ld can be the default ld]) 380 fi 381 ;; 382 yes) 383 ;; 384 no) 385 if test x${ENABLE_GOLD} != xyes; then 386 AC_MSG_WARN([neither ld nor gold are enabled]) 387 fi 388 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` 389 ;; 390 *) 391 AC_MSG_ERROR([invalid --enable-ld argument]) 392 ;; 393esac 394 395# PR gas/19109 396# Decide the default method for compressing debug sections. 397# Provide a configure time option to override our default. 398AC_ARG_ENABLE(compressed_debug_sections, 399[AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}], 400 [Enable compressed debug sections for gas, gold or ld by 401 default])], 402[ 403 if test x"$enable_compressed_debug_sections" = xyes; then 404 AC_MSG_ERROR([no program with compressed debug sections specified]) 405 fi 406], [enable_compressed_debug_sections=]) 407 408# Configure extra directories which are host specific 409 410case "${host}" in 411 *-cygwin*) 412 configdirs="$configdirs libtermcap" ;; 413esac 414 415# A target can indicate whether a language isn't supported for some reason. 416# Only spaces may be used in this macro; not newlines or tabs. 417unsupported_languages= 418 419# Remove more programs from consideration, based on the host or 420# target this usually means that a port of the program doesn't 421# exist yet. 422 423case "${host}" in 424 i[[3456789]]86-*-msdosdjgpp*) 425 noconfigdirs="$noconfigdirs tcl tk itcl" 426 ;; 427esac 428 429 430AC_ARG_ENABLE(libquadmath, 431AS_HELP_STRING([--disable-libquadmath], 432 [do not build libquadmath directory]), 433ENABLE_LIBQUADMATH=$enableval, 434ENABLE_LIBQUADMATH=yes) 435if test "${ENABLE_LIBQUADMATH}" = "no" ; then 436 noconfigdirs="$noconfigdirs target-libquadmath" 437fi 438 439 440AC_ARG_ENABLE(libquadmath-support, 441AS_HELP_STRING([--disable-libquadmath-support], 442 [disable libquadmath support for Fortran]), 443ENABLE_LIBQUADMATH_SUPPORT=$enableval, 444ENABLE_LIBQUADMATH_SUPPORT=yes) 445enable_libquadmath_support= 446if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then 447 enable_libquadmath_support=no 448fi 449 450 451AC_ARG_ENABLE(libada, 452[AS_HELP_STRING([--enable-libada], [build libada directory])], 453ENABLE_LIBADA=$enableval, 454ENABLE_LIBADA=yes) 455if test "${ENABLE_LIBADA}" != "yes" ; then 456 noconfigdirs="$noconfigdirs gnattools" 457fi 458 459AC_ARG_ENABLE(libssp, 460[AS_HELP_STRING([--enable-libssp], [build libssp directory])], 461ENABLE_LIBSSP=$enableval, 462ENABLE_LIBSSP=yes) 463 464AC_ARG_ENABLE(libstdcxx, 465AS_HELP_STRING([--disable-libstdcxx], 466 [do not build libstdc++-v3 directory]), 467ENABLE_LIBSTDCXX=$enableval, 468ENABLE_LIBSTDCXX=default) 469[if test "${ENABLE_LIBSTDCXX}" = "no" ; then 470 noconfigdirs="$noconfigdirs target-libstdc++-v3" 471fi] 472 473# If this is accelerator compiler and its target is intelmic we enable 474# target liboffloadmic by default. If this is compiler with offloading 475# for intelmic we enable host liboffloadmic by default. Otherwise 476# liboffloadmic is disabled by default. 477AC_ARG_ENABLE([liboffloadmic], 478AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], 479 [build liboffloadmic @<:@ARG={no,host,target}@:>@]), 480[case "$enableval" in 481 no | host | target) 482 enable_liboffloadmic=$enableval ;; 483 *) 484 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; 485esac], 486[if test x"$enable_as_accelerator_for" != x; then 487 case "${target}" in 488 *-intelmic-* | *-intelmicemul-*) 489 enable_liboffloadmic=target 490 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" 491 ;; 492 *) 493 enable_liboffloadmic=no 494 ;; 495 esac 496else 497 case "${enable_offload_targets}" in 498 *-intelmic-* | *-intelmicemul-*) 499 enable_liboffloadmic=host 500 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" 501 ;; 502 *) 503 enable_liboffloadmic=no 504 ;; 505 esac 506fi]) 507AC_SUBST(extra_liboffloadmic_configure_flags) 508 509# Enable libgomp by default on hosted POSIX systems, and a few others. 510if test x$enable_libgomp = x ; then 511 case "${target}" in 512 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 513 ;; 514 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) 515 ;; 516 *-*-solaris2* | *-*-hpux11*) 517 ;; 518 *-*-darwin* | *-*-aix*) 519 ;; 520 nvptx*-*-*) 521 ;; 522 *) 523 noconfigdirs="$noconfigdirs target-libgomp" 524 ;; 525 esac 526fi 527 528# Disable libatomic on unsupported systems. 529if test -d ${srcdir}/libatomic; then 530 if test x$enable_libatomic = x; then 531 AC_MSG_CHECKING([for libatomic support]) 532 if (srcdir=${srcdir}/libatomic; \ 533 . ${srcdir}/configure.tgt; \ 534 test -n "$UNSUPPORTED") 535 then 536 AC_MSG_RESULT([no]) 537 noconfigdirs="$noconfigdirs target-libatomic" 538 else 539 AC_MSG_RESULT([yes]) 540 fi 541 fi 542fi 543 544# Disable liboffloadmic on unsupported systems. 545if test -d ${srcdir}/liboffloadmic; then 546 if test x$enable_liboffloadmic != xno; then 547 AC_MSG_CHECKING([for liboffloadmic support]) 548 if (srcdir=${srcdir}/liboffloadmic; \ 549 . ${srcdir}/configure.tgt; \ 550 test -n "$UNSUPPORTED") 551 then 552 AC_MSG_RESULT([no]) 553 noconfigdirs="$noconfigdirs target-liboffloadmic" 554 else 555 AC_MSG_RESULT([yes]) 556 fi 557 fi 558fi 559 560# Disable libitm on unsupported systems. 561if test -d ${srcdir}/libitm; then 562 if test x$enable_libitm = x; then 563 AC_MSG_CHECKING([for libitm support]) 564 if (srcdir=${srcdir}/libitm; \ 565 . ${srcdir}/configure.tgt; \ 566 test -n "$UNSUPPORTED") 567 then 568 AC_MSG_RESULT([no]) 569 noconfigdirs="$noconfigdirs target-libitm" 570 else 571 AC_MSG_RESULT([yes]) 572 fi 573 fi 574fi 575 576# Disable libsanitizer on unsupported systems. 577if test -d ${srcdir}/libsanitizer; then 578 if test x$enable_libsanitizer = x; then 579 AC_MSG_CHECKING([for libsanitizer support]) 580 if (srcdir=${srcdir}/libsanitizer; \ 581 . ${srcdir}/configure.tgt; \ 582 test -n "$UNSUPPORTED") 583 then 584 AC_MSG_RESULT([no]) 585 noconfigdirs="$noconfigdirs target-libsanitizer" 586 else 587 AC_MSG_RESULT([yes]) 588 fi 589 fi 590fi 591 592# Disable libvtv on unsupported systems. 593if test -d ${srcdir}/libvtv; then 594 if test x$enable_libvtv = x; then 595 AC_MSG_CHECKING([for libvtv support]) 596 if (srcdir=${srcdir}/libvtv; \ 597 . ${srcdir}/configure.tgt; \ 598 test "$VTV_SUPPORTED" != "yes") 599 then 600 AC_MSG_RESULT([no]) 601 noconfigdirs="$noconfigdirs target-libvtv" 602 else 603 AC_MSG_RESULT([yes]) 604 fi 605 fi 606fi 607 608 609# Disable libhsail-rt on unsupported systems. 610if test -d ${srcdir}/libhsail-rt; then 611 if test x$enable_libhsail_rt = x; then 612 AC_MSG_CHECKING([for libhsail-rt support]) 613 if (srcdir=${srcdir}/libhsail-rt; \ 614 . ${srcdir}/configure.tgt; \ 615 test -n "$UNSUPPORTED") 616 then 617 AC_MSG_RESULT([no]) 618 unsupported_languages="$unsupported_languages brig" 619 # This implicitly disables also target-libhsail-rt as it won't 620 # get added to the build without BRIG FE. 621 else 622 AC_MSG_RESULT([yes]) 623 fi 624 fi 625fi 626 627 628# Disable libquadmath for some systems. 629case "${target}" in 630 avr-*-*) 631 noconfigdirs="$noconfigdirs target-libquadmath" 632 ;; 633 # libquadmath is unused on AIX and libquadmath build process use of 634 # LD_LIBRARY_PATH can break AIX bootstrap. 635 powerpc-*-aix* | rs6000-*-aix*) 636 noconfigdirs="$noconfigdirs target-libquadmath" 637 ;; 638esac 639 640# Disable libssp for some systems. 641case "${target}" in 642 avr-*-*) 643 # No hosted I/O support. 644 noconfigdirs="$noconfigdirs target-libssp" 645 ;; 646 powerpc-*-aix* | rs6000-*-aix*) 647 noconfigdirs="$noconfigdirs target-libssp" 648 ;; 649 rl78-*-*) 650 # libssp uses a misaligned load to trigger a fault, but the RL78 651 # doesn't fault for those - instead, it gives a build-time error 652 # for explicit misaligned loads. 653 noconfigdirs="$noconfigdirs target-libssp" 654 ;; 655 visium-*-*) 656 # No hosted I/O support. 657 noconfigdirs="$noconfigdirs target-libssp" 658 ;; 659esac 660 661# Disable libstdc++-v3 for some systems. 662# Allow user to override this if they pass --enable-libstdc++-v3 663if test "${ENABLE_LIBSTDCXX}" = "default" ; then 664 case "${target}" in 665 *-*-vxworks*) 666 # VxWorks uses the Dinkumware C++ library. 667 noconfigdirs="$noconfigdirs target-libstdc++-v3" 668 ;; 669 arm*-wince-pe*) 670 # the C++ libraries don't build on top of CE's C libraries 671 noconfigdirs="$noconfigdirs target-libstdc++-v3" 672 ;; 673 avr-*-*) 674 noconfigdirs="$noconfigdirs target-libstdc++-v3" 675 ;; 676 ft32-*-*) 677 noconfigdirs="$noconfigdirs target-libstdc++-v3" 678 ;; 679 esac 680fi 681 682# Disable Fortran for some systems. 683case "${target}" in 684 mmix-*-*) 685 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 686 unsupported_languages="$unsupported_languages fortran" 687 ;; 688esac 689 690# Disable libffi for some systems. 691case "${target}" in 692 powerpc-*-darwin*) 693 ;; 694 i[[3456789]]86-*-darwin*) 695 ;; 696 x86_64-*-darwin[[912]]*) 697 ;; 698 *-*-darwin*) 699 noconfigdirs="$noconfigdirs target-libffi" 700 ;; 701 *-*-netware*) 702 noconfigdirs="$noconfigdirs target-libffi" 703 ;; 704 *-*-phoenix*) 705 noconfigdirs="$noconfigdirs target-libffi" 706 ;; 707 *-*-rtems*) 708 noconfigdirs="$noconfigdirs target-libffi" 709 ;; 710 *-*-tpf*) 711 noconfigdirs="$noconfigdirs target-libffi" 712 ;; 713 *-*-uclinux*) 714 noconfigdirs="$noconfigdirs target-libffi" 715 ;; 716 *-*-vxworks*) 717 noconfigdirs="$noconfigdirs target-libffi" 718 ;; 719 aarch64*-*-freebsd*) 720 noconfigdirs="$noconfigdirs target-libffi" 721 ;; 722 alpha*-*-*vms*) 723 noconfigdirs="$noconfigdirs target-libffi" 724 ;; 725 arm*-*-freebsd*) 726 noconfigdirs="$noconfigdirs target-libffi" 727 ;; 728 arm-wince-pe) 729 noconfigdirs="$noconfigdirs target-libffi" 730 ;; 731 arm*-*-symbianelf*) 732 noconfigdirs="$noconfigdirs target-libffi" 733 ;; 734 cris-*-* | crisv32-*-*) 735 case "${target}" in 736 *-*-linux*) 737 ;; 738 *) # See PR46792 regarding target-libffi. 739 noconfigdirs="$noconfigdirs target-libffi";; 740 esac 741 ;; 742 hppa*64*-*-hpux*) 743 noconfigdirs="$noconfigdirs target-libffi" 744 ;; 745 hppa*-hp-hpux11*) 746 ;; 747 hppa*-*-hpux*) 748 noconfigdirs="$noconfigdirs target-libffi" 749 ;; 750 ia64*-*-*vms*) 751 noconfigdirs="$noconfigdirs target-libffi" 752 ;; 753 i[[3456789]]86-w64-mingw*) 754 noconfigdirs="$noconfigdirs target-libffi" 755 ;; 756 i[[3456789]]86-*-mingw*) 757 noconfigdirs="$noconfigdirs target-libffi" 758 ;; 759 x86_64-*-mingw*) 760 noconfigdirs="$noconfigdirs target-libffi" 761 ;; 762 mmix-*-*) 763 noconfigdirs="$noconfigdirs target-libffi" 764 ;; 765 powerpc-*-aix*) 766 ;; 767 rs6000-*-aix*) 768 ;; 769 ft32-*-*) 770 noconfigdirs="$noconfigdirs target-libffi" 771 ;; 772 *-*-lynxos*) 773 noconfigdirs="$noconfigdirs target-libffi" 774 ;; 775esac 776 777# Disable the go frontend on systems where it is known to not work. Please keep 778# this in sync with contrib/config-list.mk. 779case "${target}" in 780*-*-darwin* | *-*-cygwin* | *-*-mingw*) 781 unsupported_languages="$unsupported_languages go" 782 ;; 783esac 784 785# Disable libgo for some systems where it is known to not work. 786# For testing, you can easily override this with --enable-libgo. 787if test x$enable_libgo = x; then 788 case "${target}" in 789 *-*-darwin*) 790 # PR 46986 791 noconfigdirs="$noconfigdirs target-libgo" 792 ;; 793 *-*-cygwin* | *-*-mingw*) 794 noconfigdirs="$noconfigdirs target-libgo" 795 ;; 796 esac 797fi 798 799# Default libgloss CPU subdirectory. 800libgloss_dir="$target_cpu" 801 802case "${target}" in 803 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 804 libgloss_dir=wince 805 ;; 806 aarch64*-*-* ) 807 libgloss_dir=aarch64 808 ;; 809 arm*-*-*) 810 libgloss_dir=arm 811 ;; 812 cris-*-* | crisv32-*-*) 813 libgloss_dir=cris 814 ;; 815 hppa*-*-*) 816 libgloss_dir=pa 817 ;; 818 i[[3456789]]86-*-*) 819 libgloss_dir=i386 820 ;; 821 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 822 libgloss_dir=m68hc11 823 ;; 824 m68*-*-* | fido-*-*) 825 libgloss_dir=m68k 826 ;; 827 mips*-*-*) 828 libgloss_dir=mips 829 ;; 830 powerpc*-*-*) 831 libgloss_dir=rs6000 832 ;; 833 sparc*-*-*) 834 libgloss_dir=sparc 835 ;; 836esac 837 838# Disable newlib and libgloss for various target OSes. 839case "${target}" in 840 alpha*-dec-osf*) 841 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 842 ;; 843 i[[3456789]]86-*-linux*) 844 # This section makes it possible to build newlib natively on linux. 845 # If we are using a cross compiler then don't configure newlib. 846 if test x${is_cross_compiler} != xno ; then 847 noconfigdirs="$noconfigdirs target-newlib" 848 fi 849 noconfigdirs="$noconfigdirs target-libgloss" 850 # If we are not using a cross compiler, do configure newlib. 851 # Note however, that newlib will only be configured in this situation 852 # if the --with-newlib option has been given, because otherwise 853 # 'target-newlib' will appear in skipdirs. 854 ;; 855 i[[3456789]]86-*-rdos*) 856 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 857 ;; 858 sh*-*-pe|mips*-*-pe|arm-wince-pe) 859 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 860 ;; 861 sparc-*-sunos4*) 862 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 863 ;; 864 *-*-aix*) 865 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 866 ;; 867 *-*-beos*) 868 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 869 ;; 870 *-*-chorusos) 871 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 872 ;; 873 *-*-dragonfly*) 874 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 875 ;; 876 *-*-freebsd*) 877 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 878 ;; 879 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 880 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 881 ;; 882 *-*-lynxos*) 883 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 884 ;; 885 *-*-mingw*) 886 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 887 ;; 888 *-*-netbsd*) 889 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 890 ;; 891 *-*-netware*) 892 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 893 ;; 894 *-*-tpf*) 895 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 896 ;; 897 *-*-uclinux*) 898 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 899 ;; 900 *-*-vxworks*) 901 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 902 ;; 903esac 904 905case "${target}" in 906 *-*-chorusos) 907 ;; 908 aarch64-*-darwin*) 909 noconfigdirs="$noconfigdirs ld gas gdb gprof" 910 noconfigdirs="$noconfigdirs sim target-rda" 911 ;; 912 arm-*-darwin*) 913 noconfigdirs="$noconfigdirs ld gas gdb gprof" 914 noconfigdirs="$noconfigdirs sim target-rda" 915 ;; 916 powerpc-*-darwin*) 917 noconfigdirs="$noconfigdirs ld gas gdb gprof" 918 noconfigdirs="$noconfigdirs sim target-rda" 919 ;; 920 i[[3456789]]86-*-darwin*) 921 noconfigdirs="$noconfigdirs ld gprof" 922 noconfigdirs="$noconfigdirs sim target-rda" 923 ;; 924 x86_64-*-darwin[[912]]*) 925 noconfigdirs="$noconfigdirs ld gas gprof" 926 noconfigdirs="$noconfigdirs sim target-rda" 927 ;; 928 *-*-darwin*) 929 noconfigdirs="$noconfigdirs ld gas gdb gprof" 930 noconfigdirs="$noconfigdirs sim target-rda" 931 ;; 932 *-*-dragonfly*) 933 ;; 934 *-*-freebsd*) 935 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 936 && test -f /usr/local/include/gmp.h; then 937 with_gmp=/usr/local 938 fi 939 ;; 940 *-*-kaos*) 941 # Remove unsupported stuff on all kaOS configurations. 942 noconfigdirs="$noconfigdirs target-libgloss" 943 ;; 944 *-*-netbsd*) 945 ;; 946 *-*-netware*) 947 ;; 948 *-*-phoenix*) 949 noconfigdirs="$noconfigdirs target-libgloss" 950 ;; 951 *-*-rtems*) 952 noconfigdirs="$noconfigdirs target-libgloss" 953 ;; 954 # The tpf target doesn't support gdb yet. 955 *-*-tpf*) 956 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 957 ;; 958 *-*-uclinux*) 959 noconfigdirs="$noconfigdirs target-rda" 960 ;; 961 *-*-vxworks*) 962 ;; 963 alpha*-dec-osf*) 964 # ld works, but does not support shared libraries. 965 # gas doesn't generate exception information. 966 noconfigdirs="$noconfigdirs gas ld" 967 ;; 968 alpha*-*-*vms*) 969 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 970 ;; 971 alpha*-*-*) 972 # newlib is not 64 bit ready 973 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 974 ;; 975 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 976 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 977 ;; 978 arc*-*-*) 979 noconfigdirs="$noconfigdirs sim" 980 ;; 981 arm-*-pe*) 982 noconfigdirs="$noconfigdirs target-libgloss" 983 ;; 984 arm-*-riscix*) 985 noconfigdirs="$noconfigdirs ld target-libgloss" 986 ;; 987 avr-*-*) 988 if test x${with_avrlibc} != xno; then 989 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 990 fi 991 ;; 992 c4x-*-* | tic4x-*-*) 993 noconfigdirs="$noconfigdirs target-libgloss" 994 ;; 995 tic54x-*-*) 996 noconfigdirs="$noconfigdirs target-libgloss gdb" 997 ;; 998 d10v-*-*) 999 noconfigdirs="$noconfigdirs target-libgloss" 1000 ;; 1001 d30v-*-*) 1002 noconfigdirs="$noconfigdirs gdb" 1003 ;; 1004 fr30-*-elf*) 1005 noconfigdirs="$noconfigdirs gdb" 1006 ;; 1007 ft32-*-*) 1008 noconfigdirs="$noconfigdirs target-rda gprof" 1009 ;; 1010 moxie-*-*) 1011 noconfigdirs="$noconfigdirs" 1012 ;; 1013 h8300*-*-*) 1014 noconfigdirs="$noconfigdirs target-libgloss" 1015 ;; 1016 h8500-*-*) 1017 noconfigdirs="$noconfigdirs target-libgloss" 1018 ;; 1019 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1020 ;; 1021 hppa*64*-*-hpux*) 1022 noconfigdirs="$noconfigdirs gdb" 1023 ;; 1024 hppa*-*-hpux11*) 1025 noconfigdirs="$noconfigdirs gdb ld" 1026 ;; 1027 hppa*64*-*-linux*) 1028 ;; 1029 hppa*-*-linux*) 1030 ;; 1031 hppa*-*-*elf* | \ 1032 hppa*-*-lites* | \ 1033 hppa*-*-openbsd* | \ 1034 hppa*64*-*-*) 1035 ;; 1036 hppa*-*-pro*) 1037 ;; 1038 hppa*-*-*) 1039 noconfigdirs="$noconfigdirs ld" 1040 ;; 1041 i960-*-*) 1042 noconfigdirs="$noconfigdirs gdb" 1043 ;; 1044 ia64*-*-elf*) 1045 # No gdb support yet. 1046 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1047 ;; 1048 ia64*-**-hpux*) 1049 # No ld support yet. 1050 noconfigdirs="$noconfigdirs gdb libgui itcl ld" 1051 ;; 1052 ia64*-*-*vms*) 1053 # No ld support yet. 1054 noconfigdirs="$noconfigdirs libgui itcl ld" 1055 ;; 1056 i[[3456789]]86-w64-mingw*) 1057 ;; 1058 i[[3456789]]86-*-mingw*) 1059 target_configdirs="$target_configdirs target-winsup" 1060 ;; 1061 *-*-cygwin*) 1062 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1063 noconfigdirs="$noconfigdirs target-libgloss" 1064 # always build newlib if winsup directory is present. 1065 if test -d "$srcdir/winsup/cygwin"; then 1066 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1067 elif test -d "$srcdir/newlib"; then 1068 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1069 fi 1070 ;; 1071 i[[3456789]]86-*-pe) 1072 noconfigdirs="$noconfigdirs target-libgloss" 1073 ;; 1074 i[[3456789]]86-*-sco3.2v5*) 1075 # The linker does not yet know about weak symbols in COFF, 1076 # and is not configured to handle mixed ELF and COFF. 1077 noconfigdirs="$noconfigdirs ld target-libgloss" 1078 ;; 1079 i[[3456789]]86-*-sco*) 1080 noconfigdirs="$noconfigdirs gprof target-libgloss" 1081 ;; 1082 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1083 noconfigdirs="$noconfigdirs target-libgloss" 1084 ;; 1085 i[[3456789]]86-*-sysv4*) 1086 noconfigdirs="$noconfigdirs target-libgloss" 1087 ;; 1088 i[[3456789]]86-*-beos*) 1089 noconfigdirs="$noconfigdirs gdb" 1090 ;; 1091 i[[3456789]]86-*-rdos*) 1092 noconfigdirs="$noconfigdirs gdb" 1093 ;; 1094 mmix-*-*) 1095 noconfigdirs="$noconfigdirs gdb" 1096 ;; 1097 mt-*-*) 1098 noconfigdirs="$noconfigdirs sim" 1099 ;; 1100 nfp-*-*) 1101 noconfigdirs="$noconfigdirs ld gas gdb gprof sim" 1102 noconfigdirs="$noconfigdirs $target_libraries" 1103 ;; 1104 powerpc-*-aix*) 1105 # copied from rs6000-*-* entry 1106 noconfigdirs="$noconfigdirs gprof" 1107 ;; 1108 powerpc*-*-winnt* | powerpc*-*-pe*) 1109 target_configdirs="$target_configdirs target-winsup" 1110 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1111 # always build newlib. 1112 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1113 ;; 1114 # This is temporary until we can link against shared libraries 1115 powerpcle-*-solaris*) 1116 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1117 ;; 1118 powerpc-*-beos*) 1119 noconfigdirs="$noconfigdirs gdb" 1120 ;; 1121 rs6000-*-lynxos*) 1122 noconfigdirs="$noconfigdirs gprof" 1123 ;; 1124 rs6000-*-aix*) 1125 noconfigdirs="$noconfigdirs gprof" 1126 ;; 1127 rs6000-*-*) 1128 noconfigdirs="$noconfigdirs gprof" 1129 ;; 1130 m68k-apollo-*) 1131 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1132 ;; 1133 microblaze*) 1134 noconfigdirs="$noconfigdirs gprof" 1135 ;; 1136 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 1137 if test x$with_newlib = xyes; then 1138 noconfigdirs="$noconfigdirs gprof" 1139 fi 1140 ;; 1141 mips*-*-irix5*) 1142 noconfigdirs="$noconfigdirs gprof target-libgloss" 1143 ;; 1144 mips*-*-irix6*) 1145 noconfigdirs="$noconfigdirs gprof target-libgloss" 1146 ;; 1147 mips*-*-bsd*) 1148 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1149 ;; 1150 mips*-*-linux*) 1151 ;; 1152 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1153 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1154 noconfigdirs="$noconfigdirs ld gas gprof" 1155 ;; 1156 mips*-*-*) 1157 noconfigdirs="$noconfigdirs gprof" 1158 ;; 1159 nvptx*-*-*) 1160 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" 1161 ;; 1162 sh-*-*) 1163 case "${target}" in 1164 sh*-*-elf) 1165 ;; 1166 *) 1167 noconfigdirs="$noconfigdirs target-libgloss" ;; 1168 esac 1169 ;; 1170 sparc-*-sunos4*) 1171 if test x${is_cross_compiler} = xno ; then 1172 use_gnu_ld=no 1173 fi 1174 ;; 1175 tic6x-*-*) 1176 noconfigdirs="$noconfigdirs sim" 1177 ;; 1178 tilepro*-*-* | tilegx*-*-*) 1179 noconfigdirs="$noconfigdirs sim" 1180 ;; 1181 v810-*-*) 1182 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1183 ;; 1184 vax-*-*) 1185 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1186 ;; 1187 wasm32-*-*) 1188 noconfigdirs="$noconfigdirs ld" 1189 ;; 1190esac 1191 1192# If we aren't building newlib, then don't build libgloss, since libgloss 1193# depends upon some newlib header files. 1194case "${noconfigdirs}" in 1195 *target-libgloss*) ;; 1196 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1197esac 1198 1199# Work in distributions that contain no compiler tools, like Autoconf. 1200host_makefile_frag=/dev/null 1201if test -d ${srcdir}/config ; then 1202case "${host}" in 1203 i[[3456789]]86-*-msdosdjgpp*) 1204 host_makefile_frag="config/mh-djgpp" 1205 ;; 1206 *-cygwin*) 1207 ACX_CHECK_CYGWIN_CAT_WORKS 1208 host_makefile_frag="config/mh-cygwin" 1209 ;; 1210 *-mingw*) 1211 host_makefile_frag="config/mh-mingw" 1212 ;; 1213 alpha*-linux*) 1214 host_makefile_frag="config/mh-alpha-linux" 1215 ;; 1216 hppa*-hp-hpux10*) 1217 host_makefile_frag="config/mh-pa-hpux10" 1218 ;; 1219 hppa*-hp-hpux*) 1220 host_makefile_frag="config/mh-pa" 1221 ;; 1222 hppa*-*) 1223 host_makefile_frag="config/mh-pa" 1224 ;; 1225 *-*-darwin*) 1226 host_makefile_frag="config/mh-darwin" 1227 ;; 1228 powerpc-*-aix*) 1229 host_makefile_frag="config/mh-ppc-aix" 1230 ;; 1231 rs6000-*-aix*) 1232 host_makefile_frag="config/mh-ppc-aix" 1233 ;; 1234esac 1235fi 1236 1237if test "${build}" != "${host}" ; then 1238 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1239 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1240 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1241 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1242 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1243 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1244 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1245 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1246 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1247 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1248 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1249 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1250else 1251 AR_FOR_BUILD="\$(AR)" 1252 AS_FOR_BUILD="\$(AS)" 1253 CC_FOR_BUILD="\$(CC)" 1254 CXX_FOR_BUILD="\$(CXX)" 1255 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1256 GOC_FOR_BUILD="\$(GOC)" 1257 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1258 LD_FOR_BUILD="\$(LD)" 1259 NM_FOR_BUILD="\$(NM)" 1260 RANLIB_FOR_BUILD="\$(RANLIB)" 1261 WINDRES_FOR_BUILD="\$(WINDRES)" 1262 WINDMC_FOR_BUILD="\$(WINDMC)" 1263fi 1264 1265AC_PROG_CC 1266AC_PROG_CXX 1267 1268# We must set the default linker to the linker used by gcc for the correct 1269# operation of libtool. If LD is not defined and we are using gcc, try to 1270# set the LD default to the ld used by gcc. 1271if test -z "$LD"; then 1272 if test "$GCC" = yes; then 1273 case $build in 1274 *-*-mingw*) 1275 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1276 *) 1277 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1278 esac 1279 case $gcc_prog_ld in 1280 # Accept absolute paths. 1281 [[\\/]* | [A-Za-z]:[\\/]*)] 1282 LD="$gcc_prog_ld" ;; 1283 esac 1284 fi 1285fi 1286 1287# Check whether -static-libstdc++ -static-libgcc is supported. 1288have_static_libs=no 1289if test "$GCC" = yes; then 1290 saved_LDFLAGS="$LDFLAGS" 1291 1292 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1293 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1294 AC_LANG_PUSH(C++) 1295 AC_LINK_IFELSE([AC_LANG_SOURCE([ 1296#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1297#error -static-libstdc++ not implemented 1298#endif 1299int main() {}])], 1300 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1301 [AC_MSG_RESULT([no])]) 1302 AC_LANG_POP(C++) 1303 1304 LDFLAGS="$saved_LDFLAGS" 1305fi 1306 1307ACX_PROG_GNAT 1308ACX_PROG_CMP_IGNORE_INITIAL 1309 1310AC_ARG_ENABLE([bootstrap], 1311[AS_HELP_STRING([--enable-bootstrap], 1312 [enable bootstrapping @<:@yes if native build@:>@])],, 1313enable_bootstrap=default) 1314 1315# Issue errors and warnings for invalid/strange bootstrap combinations. 1316if test -r $srcdir/gcc/configure; then 1317 have_compiler=yes 1318else 1319 have_compiler=no 1320fi 1321 1322case "$have_compiler:$host:$target:$enable_bootstrap" in 1323 *:*:*:no) ;; 1324 1325 # Default behavior. Enable bootstrap if we have a compiler 1326 # and we are in a native configuration. 1327 yes:$build:$build:default) 1328 enable_bootstrap=yes ;; 1329 1330 *:*:*:default) 1331 enable_bootstrap=no ;; 1332 1333 # We have a compiler and we are in a native configuration, bootstrap is ok 1334 yes:$build:$build:yes) 1335 ;; 1336 1337 # Other configurations, but we have a compiler. Assume the user knows 1338 # what he's doing. 1339 yes:*:*:yes) 1340 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1341 ;; 1342 1343 # No compiler: if they passed --enable-bootstrap explicitly, fail 1344 no:*:*:yes) 1345 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1346 1347 # Fail if wrong command line 1348 *) 1349 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1350 ;; 1351esac 1352 1353# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a 1354# C++98 compiler can still start the bootstrap. 1355if test "$enable_bootstrap:$GXX" = "yes:yes"; then 1356 CXX="$CXX -std=gnu++98" 1357fi 1358 1359# Used for setting $lt_cv_objdir 1360_LT_CHECK_OBJDIR 1361 1362# Check for GMP, MPFR and MPC 1363gmplibs="-lmpc -lmpfr -lgmp" 1364gmpinc= 1365have_gmp=no 1366 1367# Check for debuginfod 1368AC_DEBUGINFOD 1369 1370# Specify a location for mpc 1371# check for this first so it ends up on the link line before mpfr. 1372AC_ARG_WITH(mpc, 1373[AS_HELP_STRING([--with-mpc=PATH], 1374 [specify prefix directory for installed MPC package. 1375 Equivalent to --with-mpc-include=PATH/include 1376 plus --with-mpc-lib=PATH/lib])]) 1377AC_ARG_WITH(mpc-include, 1378[AS_HELP_STRING([--with-mpc-include=PATH], 1379 [specify directory for installed MPC include files])]) 1380AC_ARG_WITH(mpc-lib, 1381[AS_HELP_STRING([--with-mpc-lib=PATH], 1382 [specify directory for the installed MPC library])]) 1383 1384if test "x$with_mpc" != x; then 1385 gmplibs="-L$with_mpc/lib $gmplibs" 1386 gmpinc="-I$with_mpc/include $gmpinc" 1387fi 1388if test "x$with_mpc_include" != x; then 1389 gmpinc="-I$with_mpc_include $gmpinc" 1390fi 1391if test "x$with_mpc_lib" != x; then 1392 gmplibs="-L$with_mpc_lib $gmplibs" 1393fi 1394if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1395 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1396 gmpinc='-I$$s/mpc/src '"$gmpinc" 1397 # Do not test the mpc version. Assume that it is sufficient, since 1398 # it is in the source tree, and the library has not been built yet 1399 # but it would be included on the link line in the version check below 1400 # hence making the test fail. 1401 have_gmp=yes 1402fi 1403 1404# Specify a location for mpfr 1405# check for this first so it ends up on the link line before gmp. 1406AC_ARG_WITH(mpfr-dir, 1407[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], 1408[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1409Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) 1410 1411AC_ARG_WITH(mpfr, 1412[AS_HELP_STRING([--with-mpfr=PATH], 1413 [specify prefix directory for installed MPFR package. 1414 Equivalent to --with-mpfr-include=PATH/include 1415 plus --with-mpfr-lib=PATH/lib])]) 1416AC_ARG_WITH(mpfr-include, 1417[AS_HELP_STRING([--with-mpfr-include=PATH], 1418 [specify directory for installed MPFR include files])]) 1419AC_ARG_WITH(mpfr-lib, 1420[AS_HELP_STRING([--with-mpfr-lib=PATH], 1421 [specify directory for the installed MPFR library])]) 1422 1423if test "x$with_mpfr" != x; then 1424 gmplibs="-L$with_mpfr/lib $gmplibs" 1425 gmpinc="-I$with_mpfr/include $gmpinc" 1426fi 1427if test "x$with_mpfr_include" != x; then 1428 gmpinc="-I$with_mpfr_include $gmpinc" 1429fi 1430if test "x$with_mpfr_lib" != x; then 1431 gmplibs="-L$with_mpfr_lib $gmplibs" 1432fi 1433if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1434 # MPFR v3.1.0 moved the sources into a src sub-directory. 1435 if ! test -d ${srcdir}/mpfr/src; then 1436 AC_MSG_ERROR([dnl 1437Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.]) 1438 fi 1439 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1440 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1441 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1442 # Do not test the mpfr version. Assume that it is sufficient, since 1443 # it is in the source tree, and the library has not been built yet 1444 # but it would be included on the link line in the version check below 1445 # hence making the test fail. 1446 have_gmp=yes 1447fi 1448 1449# Specify a location for gmp 1450AC_ARG_WITH(gmp-dir, 1451[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], 1452[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1453Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) 1454 1455AC_ARG_WITH(gmp, 1456[AS_HELP_STRING([--with-gmp=PATH], 1457 [specify prefix directory for the installed GMP package. 1458 Equivalent to --with-gmp-include=PATH/include 1459 plus --with-gmp-lib=PATH/lib])]) 1460AC_ARG_WITH(gmp-include, 1461[AS_HELP_STRING([--with-gmp-include=PATH], 1462 [specify directory for installed GMP include files])]) 1463AC_ARG_WITH(gmp-lib, 1464[AS_HELP_STRING([--with-gmp-lib=PATH], 1465 [specify directory for the installed GMP library])]) 1466 1467 1468if test "x$with_gmp" != x; then 1469 gmplibs="-L$with_gmp/lib $gmplibs" 1470 gmpinc="-I$with_gmp/include $gmpinc" 1471fi 1472if test "x$with_gmp_include" != x; then 1473 gmpinc="-I$with_gmp_include $gmpinc" 1474fi 1475if test "x$with_gmp_lib" != x; then 1476 gmplibs="-L$with_gmp_lib $gmplibs" 1477fi 1478if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1479 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1480 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1481 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1482 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1483 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1484 # Do not test the gmp version. Assume that it is sufficient, since 1485 # it is in the source tree, and the library has not been built yet 1486 # but it would be included on the link line in the version check below 1487 # hence making the test fail. 1488 have_gmp=yes 1489fi 1490 1491if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1492 have_gmp=yes 1493 saved_CFLAGS="$CFLAGS" 1494 CFLAGS="$CFLAGS $gmpinc" 1495 # Check for the recommended and required versions of GMP. 1496 AC_MSG_CHECKING([for the correct version of gmp.h]) 1497 AC_TRY_COMPILE([#include "gmp.h"],[ 1498 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1499 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1500 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1501 choke me 1502 #endif 1503 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1504 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1505 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1506 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1507 choke me 1508 #endif 1509 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1510 [AC_MSG_RESULT([no]); have_gmp=no]) 1511 1512 # If we have GMP, check the MPFR version. 1513 if test x"$have_gmp" = xyes; then 1514 # Check for the recommended and required versions of MPFR. 1515 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1516 AC_TRY_COMPILE([#include <gmp.h> 1517 #include <mpfr.h>],[ 1518 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) 1519 choke me 1520 #endif 1521 ], [AC_TRY_COMPILE([#include <gmp.h> 1522 #include <mpfr.h>],[ 1523 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) 1524 choke me 1525 #endif 1526 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1527 [AC_MSG_RESULT([no]); have_gmp=no]) 1528 fi 1529 1530 # Check for the MPC header version. 1531 if test x"$have_gmp" = xyes ; then 1532 # Check for the recommended and required versions of MPC. 1533 AC_MSG_CHECKING([for the correct version of mpc.h]) 1534 AC_TRY_COMPILE([#include <mpc.h>],[ 1535 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1536 choke me 1537 #endif 1538 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1539 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1540 choke me 1541 #endif 1542 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1543 [AC_MSG_RESULT([no]); have_gmp=no]) 1544 fi 1545 1546 # Now check the MPFR library. 1547 if test x"$have_gmp" = xyes; then 1548 saved_LIBS="$LIBS" 1549 LIBS="$LIBS $gmplibs" 1550 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1551 AC_TRY_LINK([#include <mpc.h>],[ 1552 mpfr_t n; 1553 mpfr_t x; 1554 mpc_t c; 1555 int t; 1556 mpfr_init (n); 1557 mpfr_init (x); 1558 mpfr_atan2 (n, n, x, GMP_RNDN); 1559 mpfr_erfc (n, x, GMP_RNDN); 1560 mpfr_subnormalize (x, t, GMP_RNDN); 1561 mpfr_clear(n); 1562 mpfr_clear(x); 1563 mpc_init2 (c, 53); 1564 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1565 mpc_cosh (c, c, MPC_RNDNN); 1566 mpc_pow (c, c, c, MPC_RNDNN); 1567 mpc_acosh (c, c, MPC_RNDNN); 1568 mpc_clear (c); 1569 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1570 LIBS="$saved_LIBS" 1571 fi 1572 1573 CFLAGS="$saved_CFLAGS" 1574 1575# The library versions listed in the error message below should match 1576# the HARD-minimums enforced above. 1577 if test x$have_gmp != xyes; then 1578 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. 1579Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1580their locations. Source code for these libraries can be found at 1581their respective hosting sites as well as at 1582ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also 1583http://gcc.gnu.org/install/prerequisites.html for additional info. If 1584you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1585make sure that you have installed both the libraries and the header 1586files. They may be located in separate packages.]) 1587 fi 1588fi 1589 1590# Flags needed for both GMP, MPFR and/or MPC. 1591AC_SUBST(gmplibs) 1592AC_SUBST(gmpinc) 1593AC_SUBST(extra_mpfr_configure_flags) 1594AC_SUBST(extra_mpc_gmp_configure_flags) 1595AC_SUBST(extra_mpc_mpfr_configure_flags) 1596AC_SUBST(extra_isl_gmp_configure_flags) 1597 1598# Libraries to use for stage1 or when not bootstrapping. 1599AC_ARG_WITH(stage1-libs, 1600[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1601[if test "$withval" = "no" -o "$withval" = "yes"; then 1602 stage1_libs= 1603 else 1604 stage1_libs=$withval 1605 fi], 1606[stage1_libs=]) 1607AC_SUBST(stage1_libs) 1608 1609# Whether or not to use -static-libstdc++ and -static-libgcc. The 1610# default is yes if gcc is being built; no otherwise. The reason for 1611# this default is that gdb is sometimes linked against GNU Source 1612# Highlight, which is a shared library that uses C++ exceptions. In 1613# this case, -static-libstdc++ will cause crashes. 1614AC_ARG_WITH(static-standard-libraries, 1615[AS_HELP_STRING([--with-static-standard-libraries], 1616 [use -static-libstdc++ and -static-libgcc (default=auto)])], 1617[], [with_static_standard_libraries=auto]) 1618if test "$with_static_standard_libraries" = auto; then 1619 with_static_standard_libraries=$have_compiler 1620fi 1621 1622# Linker flags to use for stage1 or when not bootstrapping. 1623AC_ARG_WITH(stage1-ldflags, 1624[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1625[if test "$withval" = "no" -o "$withval" = "yes"; then 1626 stage1_ldflags= 1627 else 1628 stage1_ldflags=$withval 1629 fi], 1630[stage1_ldflags= 1631 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1632 # if supported. But if the user explicitly specified the libraries to use, 1633 # trust that they are doing what they want. 1634 if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \ 1635 -a "$have_static_libs" = yes; then 1636 stage1_ldflags="-static-libstdc++ -static-libgcc" 1637 fi]) 1638AC_SUBST(stage1_ldflags) 1639 1640# Libraries to use for stage2 and later builds. 1641AC_ARG_WITH(boot-libs, 1642[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1643[if test "$withval" = "no" -o "$withval" = "yes"; then 1644 poststage1_libs= 1645 else 1646 poststage1_libs=$withval 1647 fi], 1648[poststage1_libs=]) 1649AC_SUBST(poststage1_libs) 1650 1651# Linker flags to use for stage2 and later builds. 1652AC_ARG_WITH(boot-ldflags, 1653[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1654 [linker flags for stage2 and later])], 1655[if test "$withval" = "no" -o "$withval" = "yes"; then 1656 poststage1_ldflags= 1657 else 1658 poststage1_ldflags=$withval 1659 fi], 1660[poststage1_ldflags= 1661 # In stages 2 and 3, default to linking libstdc++ and libgcc 1662 # statically. But if the user explicitly specified the libraries to 1663 # use, trust that they are doing what they want. 1664 if test "$poststage1_libs" = ""; then 1665 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1666 fi]) 1667AC_SUBST(poststage1_ldflags) 1668 1669# GCC GRAPHITE dependency isl. 1670# Basic setup is inlined here, actual checks are in config/isl.m4 1671 1672AC_ARG_WITH(isl, 1673 [AS_HELP_STRING( 1674 [--with-isl=PATH], 1675 [Specify prefix directory for the installed isl package. 1676 Equivalent to --with-isl-include=PATH/include 1677 plus --with-isl-lib=PATH/lib])]) 1678 1679# Treat --without-isl as a request to disable 1680# GRAPHITE support and skip all following checks. 1681if test "x$with_isl" != "xno"; then 1682 # Check for isl 1683 dnl Provide configure switches and initialize islinc & isllibs 1684 dnl with user input. 1685 ISL_INIT_FLAGS 1686 dnl The versions of isl that work for Graphite 1687 ISL_CHECK_VERSION() 1688 dnl Only execute fail-action, if isl has been requested. 1689 ISL_IF_FAILED([ 1690 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])]) 1691fi 1692 1693# If the isl check failed, disable builds of in-tree variant of isl 1694if test "x$with_isl" = xno || 1695 test "x$gcc_cv_isl" = xno; then 1696 noconfigdirs="$noconfigdirs isl" 1697 islinc= 1698fi 1699 1700AC_SUBST(isllibs) 1701AC_SUBST(islinc) 1702 1703# Check for LTO support. 1704AC_ARG_ENABLE(lto, 1705[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1706enable_lto=$enableval, 1707enable_lto=yes; default_enable_lto=yes) 1708 1709ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1710 build_lto_plugin=yes 1711],[if test x"$default_enable_lto" = x"yes" ; then 1712 case $target in 1713 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;; 1714 # On other non-ELF platforms, LTO has yet to be validated. 1715 *) enable_lto=no ;; 1716 esac 1717 else 1718 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1719 # It would also be nice to check the binutils support, but we don't 1720 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1721 # warn during gcc/ subconfigure; unless you're bootstrapping with 1722 # -flto it won't be needed until after installation anyway. 1723 case $target in 1724 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;; 1725 *) if test x"$enable_lto" = x"yes"; then 1726 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1727 fi 1728 ;; 1729 esac 1730 fi 1731 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1732 # Build it unless LTO was explicitly disabled. 1733 case $target in 1734 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1735 *) ;; 1736 esac 1737]) 1738 1739AC_ARG_ENABLE(linker-plugin-configure-flags, 1740 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], 1741 [additional flags for configuring linker plugins @<:@none@:>@])], 1742 extra_linker_plugin_configure_flags=$enableval, 1743 extra_linker_plugin_configure_flags=) 1744AC_SUBST(extra_linker_plugin_configure_flags) 1745AC_ARG_ENABLE(linker-plugin-flags, 1746 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], 1747 [additional flags for configuring and building linker plugins @<:@none@:>@])], 1748 extra_linker_plugin_flags=$enableval, 1749 extra_linker_plugin_flags=) 1750AC_SUBST(extra_linker_plugin_flags) 1751 1752# Enable --enable-host-shared. 1753# Checked early to determine whether jit is an 'all' language 1754AC_ARG_ENABLE(host-shared, 1755[AS_HELP_STRING([--enable-host-shared], 1756 [build host code as shared libraries])], 1757[host_shared=$enableval], [host_shared=no]) 1758AC_SUBST(host_shared) 1759 1760# By default, C and C++ are the only stage 1 languages. 1761stage1_languages=,c, 1762 1763# Target libraries that we bootstrap. 1764bootstrap_target_libs=,target-libgcc, 1765 1766# Figure out what language subdirectories are present. 1767# Look if the user specified --enable-languages="..."; if not, use 1768# the environment variable $LANGUAGES if defined. $LANGUAGES might 1769# go away some day. 1770# NB: embedded tabs in this IF block -- do not untabify 1771if test -d ${srcdir}/gcc; then 1772 if test x"${enable_languages+set}" != xset; then 1773 if test x"${LANGUAGES+set}" = xset; then 1774 enable_languages="${LANGUAGES}" 1775 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1776 else 1777 enable_languages=default 1778 fi 1779 else 1780 if test x"${enable_languages}" = x || 1781 test x"${enable_languages}" = xyes; 1782 then 1783 echo configure.ac: --enable-languages needs at least one language argument 1>&2 1784 exit 1 1785 fi 1786 fi 1787 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1788 1789 # 'f95' is the old name for the 'fortran' language. We issue a warning 1790 # and make the substitution. 1791 case ,${enable_languages}, in 1792 *,f95,*) 1793 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1794 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1795 ;; 1796 esac 1797 1798 # If bootstrapping, C++ must be enabled. 1799 case ",$enable_languages,:$enable_bootstrap" in 1800 *,c++,*:*) ;; 1801 *:yes) 1802 if test -f ${srcdir}/gcc/cp/config-lang.in; then 1803 enable_languages="${enable_languages},c++" 1804 else 1805 AC_MSG_ERROR([bootstrapping requires c++ sources]) 1806 fi 1807 ;; 1808 esac 1809 1810 # First scan to see if an enabled language requires some other language. 1811 # We assume that a given config-lang.in will list all the language 1812 # front ends it requires, even if some are required indirectly. 1813 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1814 case ${lang_frag} in 1815 ..) ;; 1816 # The odd quoting in the next line works around 1817 # an apparent bug in bash 1.12 on linux. 1818 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1819 *) 1820 # From the config-lang.in, get $language, $lang_requires, and 1821 # $lang_requires_boot_languages. 1822 language= 1823 lang_requires= 1824 lang_requires_boot_languages= 1825 # set srcdir during sourcing lang_frag to the gcc dir. 1826 # Sadly overriding srcdir on the . line doesn't work in plain sh as it 1827 # polutes this shell 1828 saved_srcdir=${srcdir} 1829 srcdir=${srcdir}/gcc . ${lang_frag} 1830 srcdir=${saved_srcdir} 1831 for other in ${lang_requires} ${lang_requires_boot_languages}; do 1832 case ,${enable_languages}, in 1833 *,$other,*) ;; 1834 *,default,*) ;; 1835 *,all,*) ;; 1836 *,$language,*) 1837 echo " \`$other' language required by \`$language'; enabling" 1>&2 1838 enable_languages="${enable_languages},${other}" 1839 ;; 1840 esac 1841 done 1842 for other in ${lang_requires_boot_languages} ; do 1843 if test "$other" != "c"; then 1844 case ,${enable_stage1_languages}, in 1845 *,$other,*) ;; 1846 *,default,*) ;; 1847 *,all,*) ;; 1848 *) 1849 case ,${enable_languages}, in 1850 *,$language,*) 1851 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 1852 enable_stage1_languages="$enable_stage1_languages,${other}" 1853 ;; 1854 esac 1855 ;; 1856 esac 1857 fi 1858 done 1859 ;; 1860 esac 1861 done 1862 1863 new_enable_languages=,c, 1864 1865 # If LTO is enabled, add the LTO front end. 1866 if test "$enable_lto" = "yes" ; then 1867 case ,${enable_languages}, in 1868 *,lto,*) ;; 1869 *) enable_languages="${enable_languages},lto" ;; 1870 esac 1871 if test "${build_lto_plugin}" = "yes" ; then 1872 configdirs="$configdirs lto-plugin" 1873 fi 1874 fi 1875 1876 # If we're building an offloading compiler, add the LTO front end. 1877 if test x"$enable_as_accelerator_for" != x ; then 1878 case ,${enable_languages}, in 1879 *,lto,*) ;; 1880 *) enable_languages="${enable_languages},lto" ;; 1881 esac 1882 fi 1883 1884 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ ` 1885 potential_languages=,c, 1886 1887 enabled_target_libs= 1888 disabled_target_libs= 1889 1890 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1891 case ${lang_frag} in 1892 ..) ;; 1893 # The odd quoting in the next line works around 1894 # an apparent bug in bash 1.12 on linux. 1895 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1896 *) 1897 # From the config-lang.in, get $language, $target_libs, 1898 # $lang_dirs, $boot_language, and $build_by_default 1899 language= 1900 target_libs= 1901 lang_dirs= 1902 subdir_requires= 1903 boot_language=no 1904 build_by_default=yes 1905 # set srcdir during sourcing. See above about save & restore 1906 saved_srcdir=${srcdir} 1907 srcdir=${srcdir}/gcc . ${lang_frag} 1908 srcdir=${saved_srcdir} 1909 if test x${language} = x; then 1910 echo "${lang_frag} doesn't set \$language." 1>&2 1911 exit 1 1912 fi 1913 1914 if test "$language" = "c++"; then 1915 boot_language=yes 1916 fi 1917 1918 add_this_lang=no 1919 # C is always enabled, so no need to add it again 1920 if test "$language" != "c"; then 1921 case ,${enable_languages}, in 1922 *,${language},*) 1923 # Language was explicitly selected; include it 1924 add_this_lang=yes 1925 ;; 1926 *,all,*) 1927 # All languages are enabled 1928 add_this_lang=all 1929 ;; 1930 *,default,*) 1931 # 'default' was selected, select it if it is a default language 1932 add_this_lang=${build_by_default} 1933 ;; 1934 esac 1935 fi 1936 1937 # Disable languages that need other directories if these aren't available. 1938 for i in $subdir_requires; do 1939 test -f "$srcdir/gcc/$i/config-lang.in" && continue 1940 case ${add_this_lang} in 1941 yes) 1942 # Specifically requested language; tell them. 1943 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 1944 ;; 1945 all) 1946 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing]) 1947 add_this_lang=unsupported 1948 ;; 1949 *) 1950 # Silently disable. 1951 add_this_lang=unsupported 1952 ;; 1953 esac 1954 done 1955 1956 # Disable Ada if no preexisting GNAT is available. 1957 case ${add_this_lang}:${language}:${have_gnat} in 1958 yes:ada:no) 1959 # Specifically requested language; tell them. 1960 AC_MSG_ERROR([GNAT is required to build $language]) 1961 ;; 1962 all:ada:no) 1963 AC_MSG_WARN([GNAT is required to build $language]) 1964 add_this_lang=unsupported 1965 ;; 1966 *:ada:no) 1967 # Silently disable. 1968 add_this_lang=unsupported 1969 ;; 1970 esac 1971 1972 # Disable jit if -enable-host-shared not specified 1973 case ${add_this_lang}:${language}:${host_shared} in 1974 yes:jit:no) 1975 # PR jit/64780: explicitly specify --enable-host-shared 1976 AC_MSG_ERROR([ 1977Enabling language "jit" requires --enable-host-shared. 1978 1979--enable-host-shared typically slows the rest of the compiler down by 1980a few %, so you must explicitly enable it. 1981 1982If you want to build both the jit and the regular compiler, it is often 1983best to do this via two separate configure/builds, in separate 1984directories, to avoid imposing the performance cost of 1985--enable-host-shared on the regular compiler.]) 1986 ;; 1987 all:jit:no) 1988 AC_MSG_WARN([--enable-host-shared required to build $language]) 1989 add_this_lang=unsupported 1990 ;; 1991 *:jit:no) 1992 # Silently disable. 1993 add_this_lang=unsupported 1994 ;; 1995 esac 1996 1997 # Disable a language that is unsupported by the target. 1998 case "${add_this_lang}: $unsupported_languages " in 1999 no:*) ;; 2000 unsupported:*) ;; 2001 *:*" $language "*) 2002 AC_MSG_WARN([${language} not supported for this target]) 2003 add_this_lang=unsupported 2004 ;; 2005 esac 2006 2007 case $add_this_lang in 2008 unsupported) 2009 # Remove language-dependent dirs. 2010 disabled_target_libs="$disabled_target_libs $target_libs" 2011 noconfigdirs="$noconfigdirs $lang_dirs" 2012 ;; 2013 no) 2014 # Remove language-dependent dirs; still show language as supported. 2015 disabled_target_libs="$disabled_target_libs $target_libs" 2016 noconfigdirs="$noconfigdirs $lang_dirs" 2017 potential_languages="${potential_languages}${language}," 2018 ;; 2019 all|yes) 2020 new_enable_languages="${new_enable_languages}${language}," 2021 potential_languages="${potential_languages}${language}," 2022 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 2023 enabled_target_libs="$enabled_target_libs $target_libs" 2024 case "${boot_language}:,$enable_stage1_languages," in 2025 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 2026 # Add to (comma-separated) list of stage 1 languages. 2027 case ",$stage1_languages," in 2028 *,$language,* | ,yes, | ,all,) ;; 2029 *) stage1_languages="${stage1_languages}${language}," ;; 2030 esac 2031 # We need to bootstrap any supporting libraries. 2032 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 2033 ;; 2034 esac 2035 ;; 2036 esac 2037 ;; 2038 esac 2039 done 2040 2041 # Add target libraries which are only needed for disabled languages 2042 # to noconfigdirs. 2043 if test -n "$disabled_target_libs"; then 2044 for dir in $disabled_target_libs; do 2045 case " $enabled_target_libs " in 2046 *" ${dir} "*) ;; 2047 *) noconfigdirs="$noconfigdirs $dir" ;; 2048 esac 2049 done 2050 fi 2051 2052 AC_ARG_ENABLE(stage1-languages, 2053 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 2054 [choose additional languages to build during 2055 stage1. Mostly useful for compiler development])], 2056 [case ,${enable_stage1_languages}, in 2057 ,no,|,,) 2058 # Set it to something that will have no effect in the loop below 2059 enable_stage1_languages=c ;; 2060 ,yes,) 2061 enable_stage1_languages=`echo $new_enable_languages | \ 2062 sed -e "s/^,//" -e "s/,$//" ` ;; 2063 *,all,*) 2064 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 2065 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 2066 esac 2067 2068 # Add "good" languages from enable_stage1_languages to stage1_languages, 2069 # while "bad" languages go in missing_languages. Leave no duplicates. 2070 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2071 case $potential_languages in 2072 *,$i,*) 2073 case $stage1_languages in 2074 *,$i,*) ;; 2075 *) stage1_languages="$stage1_languages$i," ;; 2076 esac ;; 2077 *) 2078 case $missing_languages in 2079 *,$i,*) ;; 2080 *) missing_languages="$missing_languages$i," ;; 2081 esac ;; 2082 esac 2083 done]) 2084 2085 # Remove leading/trailing commas that were added for simplicity 2086 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2087 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2088 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2089 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2090 2091 if test "x$missing_languages" != x; then 2092 AC_MSG_ERROR([ 2093The following requested languages could not be built: ${missing_languages} 2094Supported languages are: ${potential_languages}]) 2095 fi 2096 if test "x$new_enable_languages" != "x$enable_languages"; then 2097 echo The following languages will be built: ${new_enable_languages} 2098 enable_languages="$new_enable_languages" 2099 fi 2100 2101 AC_SUBST(stage1_languages) 2102 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2103fi 2104 2105# Handle --disable-<component> generically. 2106for dir in $configdirs $build_configdirs $target_configdirs ; do 2107 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2108 varname=`echo $dirname | sed -e s/+/_/g` 2109 if eval test x\${enable_${varname}} "=" xno ; then 2110 noconfigdirs="$noconfigdirs $dir" 2111 fi 2112done 2113 2114# Check for Boehm's garbage collector 2115AC_ARG_ENABLE(objc-gc, 2116[AS_HELP_STRING([--enable-objc-gc], 2117 [enable use of Boehm's garbage collector with the 2118 GNU Objective-C runtime])]) 2119AC_ARG_WITH([target-bdw-gc], 2120[AS_HELP_STRING([--with-target-bdw-gc=PATHLIST], 2121 [specify prefix directory for installed bdw-gc package. 2122 Equivalent to --with-target-bdw-gc-include=PATH/include 2123 plus --with-target-bdw-gc-lib=PATH/lib])]) 2124AC_ARG_WITH([target-bdw-gc-include], 2125[AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST], 2126 [specify directories for installed bdw-gc include files])]) 2127AC_ARG_WITH([target-bdw-gc-lib], 2128[AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST], 2129 [specify directories for installed bdw-gc library])]) 2130 2131case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto) 2132 AC_MSG_CHECKING([for bdw garbage collector]) 2133 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then 2134 dnl no bdw-gw options, assume default locations 2135 AC_MSG_RESULT([using bdw-gc in default locations]) 2136 else 2137 dnl bdw-gw options, first error checking, complete checking in libobjc 2138 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then 2139 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing]) 2140 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then 2141 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing]) 2142 else 2143 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options]) 2144 fi 2145 fi 2146esac 2147 2148# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ 2149case ,${enable_languages}, in 2150 *,c++,*) 2151 # Disable libitm, libsanitizer if we're not building libstdc++ 2152 case "${noconfigdirs}" in 2153 *target-libstdc++-v3*) 2154 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer" 2155 ;; 2156 *) ;; 2157 esac 2158 ;; 2159 *) 2160 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv" 2161 ;; 2162esac 2163 2164# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2165# $build_configdirs and $target_configdirs. 2166# If we have the source for $noconfigdirs entries, add them to $notsupp. 2167 2168notsupp="" 2169for dir in . $skipdirs $noconfigdirs ; do 2170 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2171 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2172 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2173 if test -r $srcdir/$dirname/configure ; then 2174 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2175 true 2176 else 2177 notsupp="$notsupp $dir" 2178 fi 2179 fi 2180 fi 2181 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2182 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2183 if test -r $srcdir/$dirname/configure ; then 2184 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2185 true 2186 else 2187 notsupp="$notsupp $dir" 2188 fi 2189 fi 2190 fi 2191 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2192 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2193 if test -r $srcdir/$dirname/configure ; then 2194 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2195 true 2196 else 2197 notsupp="$notsupp $dir" 2198 fi 2199 fi 2200 fi 2201done 2202 2203# Quietly strip out all directories which aren't configurable in this tree. 2204# This relies on all configurable subdirectories being autoconfiscated, which 2205# is now the case. 2206build_configdirs_all="$build_configdirs" 2207build_configdirs= 2208for i in ${build_configdirs_all} ; do 2209 j=`echo $i | sed -e s/build-//g` 2210 if test -f ${srcdir}/$j/configure ; then 2211 build_configdirs="${build_configdirs} $i" 2212 fi 2213done 2214 2215configdirs_all="$configdirs" 2216configdirs= 2217for i in ${configdirs_all} ; do 2218 if test -f ${srcdir}/$i/configure ; then 2219 configdirs="${configdirs} $i" 2220 fi 2221done 2222 2223target_configdirs_all="$target_configdirs" 2224target_configdirs= 2225for i in ${target_configdirs_all} ; do 2226 j=`echo $i | sed -e s/target-//g` 2227 if test -f ${srcdir}/$j/configure ; then 2228 target_configdirs="${target_configdirs} $i" 2229 fi 2230done 2231 2232# libiberty-linker-plugin is special: it doesn't have its own source directory, 2233# so we have to add it after the preceding checks. 2234if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x 2235then 2236 case " $configdirs " in 2237 *" libiberty "*) 2238 # If we can build libiberty, we can also build libiberty-linker-plugin. 2239 configdirs="$configdirs libiberty-linker-plugin" 2240 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ 2241 --with-libiberty=../libiberty-linker-plugin";; 2242 *) 2243 AC_MSG_ERROR([libiberty missing]);; 2244 esac 2245fi 2246 2247# Sometimes we have special requirements for the host libiberty. 2248extra_host_libiberty_configure_flags= 2249extra_host_zlib_configure_flags= 2250case " $configdirs " in 2251 *" lto-plugin "* | *" libcc1 "*) 2252 # When these are to be built as shared libraries, the same applies to 2253 # libiberty. 2254 extra_host_libiberty_configure_flags=--enable-shared 2255 ;; 2256 *" bfd "*) 2257 # When bfd is to be built as a shared library, the same applies to 2258 # zlib. 2259 if test "$enable_shared" = "yes"; then 2260 extra_host_zlib_configure_flags=--enable-host-shared 2261 fi 2262 ;; 2263esac 2264AC_SUBST(extra_host_libiberty_configure_flags) 2265AC_SUBST(extra_host_zlib_configure_flags) 2266 2267# Produce a warning message for the subdirs we can't configure. 2268# This isn't especially interesting in the Cygnus tree, but in the individual 2269# FSF releases, it's important to let people know when their machine isn't 2270# supported by the one or two programs in a package. 2271 2272if test -n "${notsupp}" && test -z "${norecursion}" ; then 2273 # If $appdirs is non-empty, at least one of those directories must still 2274 # be configured, or we error out. (E.g., if the gas release supports a 2275 # specified target in some subdirs but not the gas subdir, we shouldn't 2276 # pretend that all is well.) 2277 if test -n "$appdirs" ; then 2278 for dir in $appdirs ; do 2279 if test -r $dir/Makefile.in ; then 2280 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2281 appdirs="" 2282 break 2283 fi 2284 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2285 appdirs="" 2286 break 2287 fi 2288 fi 2289 done 2290 if test -n "$appdirs" ; then 2291 echo "*** This configuration is not supported by this package." 1>&2 2292 exit 1 2293 fi 2294 fi 2295 # Okay, some application will build, or we don't care to check. Still 2296 # notify of subdirs not getting built. 2297 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2298 echo " ${notsupp}" 1>&2 2299 echo " (Any other directories should still work fine.)" 1>&2 2300fi 2301 2302case "$host" in 2303 *msdosdjgpp*) 2304 enable_gdbtk=no ;; 2305esac 2306 2307# To find our prefix, in gcc_cv_tool_prefix. 2308ACX_TOOL_DIRS 2309 2310copy_dirs= 2311 2312AC_ARG_WITH([build-sysroot], 2313 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2314 [use sysroot as the system root during the build])], 2315 [if test x"$withval" != x ; then 2316 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2317 fi], 2318 [SYSROOT_CFLAGS_FOR_TARGET=]) 2319AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2320 2321AC_ARG_WITH([debug-prefix-map], 2322 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2323 [map A to B, C to D ... in debug information])], 2324 [if test x"$withval" != x; then 2325 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2326 for debug_map in $withval; do 2327 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2328 done 2329 fi], 2330 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2331AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2332 2333# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2334# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2335# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2336# We want to ensure that TARGET libraries (which we know are built with 2337# gcc) are built with "-O2 -g", so include those options when setting 2338# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2339if test "x$CFLAGS_FOR_TARGET" = x; then 2340 if test "x${is_cross_compiler}" = xyes; then 2341 CFLAGS_FOR_TARGET="-g -O2" 2342 else 2343 CFLAGS_FOR_TARGET=$CFLAGS 2344 case " $CFLAGS " in 2345 *" -O2 "*) ;; 2346 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2347 esac 2348 case " $CFLAGS " in 2349 *" -g "* | *" -g3 "*) ;; 2350 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2351 esac 2352 fi 2353fi 2354AC_SUBST(CFLAGS_FOR_TARGET) 2355 2356if test "x$CXXFLAGS_FOR_TARGET" = x; then 2357 if test "x${is_cross_compiler}" = xyes; then 2358 CXXFLAGS_FOR_TARGET="-g -O2" 2359 else 2360 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2361 case " $CXXFLAGS " in 2362 *" -O2 "*) ;; 2363 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2364 esac 2365 case " $CXXFLAGS " in 2366 *" -g "* | *" -g3 "*) ;; 2367 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2368 esac 2369 fi 2370fi 2371AC_SUBST(CXXFLAGS_FOR_TARGET) 2372 2373AC_SUBST(LDFLAGS_FOR_TARGET) 2374 2375# Handle --with-headers=XXX. If the value is not "yes", the contents of 2376# the named directory are copied to $(tooldir)/sys-include. 2377if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2378 if test x${is_cross_compiler} = xno ; then 2379 echo 1>&2 '***' --with-headers is only supported when cross compiling 2380 exit 1 2381 fi 2382 if test x"${with_headers}" != xyes ; then 2383 x=${gcc_cv_tool_prefix} 2384 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2385 fi 2386fi 2387 2388# Handle --with-libs=XXX. If the value is not "yes", the contents of 2389# the name directories are copied to $(tooldir)/lib. Multiple directories 2390# are permitted. 2391if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2392 if test x${is_cross_compiler} = xno ; then 2393 echo 1>&2 '***' --with-libs is only supported when cross compiling 2394 exit 1 2395 fi 2396 if test x"${with_libs}" != xyes ; then 2397 # Copy the libraries in reverse order, so that files in the first named 2398 # library override files in subsequent libraries. 2399 x=${gcc_cv_tool_prefix} 2400 for l in ${with_libs}; do 2401 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2402 done 2403 fi 2404fi 2405 2406# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2407# 2408# This is done by determining whether or not the appropriate directory 2409# is available, and by checking whether or not specific configurations 2410# have requested that this magic not happen. 2411# 2412# The command line options always override the explicit settings in 2413# configure.ac, and the settings in configure.ac override this magic. 2414# 2415# If the default for a toolchain is to use GNU as and ld, and you don't 2416# want to do that, then you should use the --without-gnu-as and 2417# --without-gnu-ld options for the configure script. Similarly, if 2418# the default is to use the included zlib and you don't want to do that, 2419# you should use the --with-system-zlib option for the configure script. 2420 2421if test x${use_gnu_as} = x && 2422 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2423 with_gnu_as=yes 2424 extra_host_args="$extra_host_args --with-gnu-as" 2425fi 2426 2427if test x${use_gnu_ld} = x && 2428 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2429 with_gnu_ld=yes 2430 extra_host_args="$extra_host_args --with-gnu-ld" 2431fi 2432 2433if test x${use_included_zlib} = x && 2434 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2435 : 2436else 2437 with_system_zlib=yes 2438 extra_host_args="$extra_host_args --with-system-zlib" 2439fi 2440 2441# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2442# can detect this case. 2443 2444if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2445 with_newlib=yes 2446 extra_host_args="$extra_host_args --with-newlib" 2447fi 2448 2449# Handle ${copy_dirs} 2450set fnord ${copy_dirs} 2451shift 2452while test $# != 0 ; do 2453 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2454 : 2455 else 2456 echo Copying $1 to $2 2457 2458 # Use the install script to create the directory and all required 2459 # parent directories. 2460 if test -d $2 ; then 2461 : 2462 else 2463 echo >config.temp 2464 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2465 fi 2466 2467 # Copy the directory, assuming we have tar. 2468 # FIXME: Should we use B in the second tar? Not all systems support it. 2469 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2470 2471 # It is the responsibility of the user to correctly adjust all 2472 # symlinks. If somebody can figure out how to handle them correctly 2473 # here, feel free to add the code. 2474 2475 echo $1 > $2/COPIED 2476 fi 2477 shift; shift 2478done 2479 2480# Determine a target-dependent exec_prefix that the installed 2481# gcc will search in. Keep this list sorted by triplet, with 2482# the *-*-osname triplets last. 2483md_exec_prefix= 2484case "${target}" in 2485 i[[34567]]86-pc-msdosdjgpp*) 2486 md_exec_prefix=/dev/env/DJDIR/bin 2487 ;; 2488 *-*-hpux* | \ 2489 *-*-nto-qnx* | \ 2490 *-*-solaris2*) 2491 md_exec_prefix=/usr/ccs/bin 2492 ;; 2493esac 2494 2495extra_arflags_for_target= 2496extra_nmflags_for_target= 2497extra_ranlibflags_for_target= 2498target_makefile_frag=/dev/null 2499case "${target}" in 2500 spu-*-*) 2501 target_makefile_frag="config/mt-spu" 2502 ;; 2503 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 2504 target_makefile_frag="config/mt-sde" 2505 ;; 2506 mipsisa*-*-elfoabi*) 2507 target_makefile_frag="config/mt-mips-elfoabi" 2508 ;; 2509 mips*-*-*linux* | mips*-*-gnu*) 2510 target_makefile_frag="config/mt-mips-gnu" 2511 ;; 2512 nios2-*-elf*) 2513 target_makefile_frag="config/mt-nios2-elf" 2514 ;; 2515 *-*-linux-android*) 2516 target_makefile_frag="config/mt-android" 2517 ;; 2518 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2519 target_makefile_frag="config/mt-gnu" 2520 ;; 2521 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2522 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2523 # commands to handle both 32-bit and 64-bit objects. These flags are 2524 # harmless if we're using GNU nm or ar. 2525 extra_arflags_for_target=" -X32_64" 2526 extra_nmflags_for_target=" -B -X32_64" 2527 ;; 2528esac 2529 2530alphaieee_frag=/dev/null 2531case $target in 2532 alpha*-*-*) 2533 # This just makes sure to use the -mieee option to build target libs. 2534 # This should probably be set individually by each library. 2535 alphaieee_frag="config/mt-alphaieee" 2536 ;; 2537esac 2538 2539# If --enable-target-optspace always use -Os instead of -O2 to build 2540# the target libraries, similarly if it is not specified, use -Os 2541# on selected platforms. 2542ospace_frag=/dev/null 2543case "${enable_target_optspace}:${target}" in 2544 yes:*) 2545 ospace_frag="config/mt-ospace" 2546 ;; 2547 :d30v-*) 2548 ospace_frag="config/mt-d30v" 2549 ;; 2550 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) 2551 ospace_frag="config/mt-ospace" 2552 ;; 2553 no:* | :*) 2554 ;; 2555 *) 2556 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2557 ;; 2558esac 2559 2560# Some systems (e.g., one of the i386-aix systems the gas testers are 2561# using) don't handle "\$" correctly, so don't use it here. 2562tooldir='${exec_prefix}'/${target_noncanonical} 2563build_tooldir=${tooldir} 2564 2565# Create a .gdbinit file which runs the one in srcdir 2566# and tells GDB to look there for source files. 2567 2568if test -r ${srcdir}/.gdbinit ; then 2569 case ${srcdir} in 2570 .) ;; 2571 *) cat > ./.gdbinit <<EOF 2572# ${NO_EDIT} 2573dir ${srcdir} 2574dir . 2575source ${srcdir}/.gdbinit 2576EOF 2577 ;; 2578 esac 2579fi 2580 2581# Make sure that the compiler is able to generate an executable. If it 2582# can't, we are probably in trouble. We don't care whether we can run the 2583# executable--we might be using a cross compiler--we only care whether it 2584# can be created. At this point the main configure script has set CC. 2585we_are_ok=no 2586echo "int main () { return 0; }" > conftest.c 2587${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2588if test $? = 0 ; then 2589 if test -s conftest || test -s conftest.exe ; then 2590 we_are_ok=yes 2591 fi 2592fi 2593case $we_are_ok in 2594 no) 2595 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2596 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2597 rm -f conftest* 2598 exit 1 2599 ;; 2600esac 2601rm -f conftest* 2602 2603# Decide which environment variable is used to find dynamic libraries. 2604case "${host}" in 2605 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2606 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2607 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2608 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2609esac 2610 2611# On systems where the dynamic library environment variable is PATH, 2612# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2613# built executables to PATH. 2614if test "$RPATH_ENVVAR" = PATH; then 2615 GCC_SHLIB_SUBDIR=/shlib 2616else 2617 GCC_SHLIB_SUBDIR= 2618fi 2619 2620# Adjust the toplevel makefile according to whether bootstrap was selected. 2621case $enable_bootstrap in 2622 yes) 2623 bootstrap_suffix=bootstrap 2624 BUILD_CONFIG=bootstrap-debug 2625 ;; 2626 no) 2627 bootstrap_suffix=no-bootstrap 2628 BUILD_CONFIG= 2629 ;; 2630esac 2631 2632AC_MSG_CHECKING(for default BUILD_CONFIG) 2633 2634AC_ARG_WITH([build-config], 2635 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2636 [use config/NAME.mk build configuration])], 2637 [case $with_build_config in 2638 yes) with_build_config= ;; 2639 no) with_build_config= BUILD_CONFIG= ;; 2640 esac]) 2641 2642if test "x${with_build_config}" != x; then 2643 BUILD_CONFIG=$with_build_config 2644else 2645 case $BUILD_CONFIG in 2646 bootstrap-debug) 2647 if echo "int f (void) { return 0; }" > conftest.c && 2648 ${CC} -c conftest.c && 2649 mv conftest.o conftest.o.g0 && 2650 ${CC} -c -g conftest.c && 2651 mv conftest.o conftest.o.g && 2652 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2653 : 2654 else 2655 BUILD_CONFIG= 2656 fi 2657 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2658 ;; 2659 esac 2660fi 2661AC_MSG_RESULT($BUILD_CONFIG) 2662AC_SUBST(BUILD_CONFIG) 2663 2664# Use same top-level configure hooks in libgcc/libstdc++/libvtv. 2665AC_MSG_CHECKING([for --enable-vtable-verify]) 2666AC_ARG_ENABLE(vtable-verify, 2667[AS_HELP_STRING([--enable-vtable-verify], 2668 [Enable vtable verification feature])], 2669[case "$enableval" in 2670 yes) enable_vtable_verify=yes ;; 2671 no) enable_vtable_verify=no ;; 2672 *) enable_vtable_verify=no;; 2673 esac], 2674[enable_vtable_verify=no]) 2675AC_MSG_RESULT($enable_vtable_verify) 2676 2677# Record target_configdirs and the configure arguments for target and 2678# build configuration in Makefile. 2679target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2680build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2681bootstrap_fixincludes=no 2682 2683# If we are building libgomp, bootstrap it. 2684if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2685 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2686fi 2687 2688# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan 2689# or bootstrap-ubsan, bootstrap it. 2690if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then 2691 case "$BUILD_CONFIG" in 2692 *bootstrap-asan* | *bootstrap-ubsan* ) 2693 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2694 bootstrap_fixincludes=yes 2695 ;; 2696 esac 2697fi 2698 2699# If we are building libvtv and --enable-vtable-verify, bootstrap it. 2700if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && 2701 test "$enable_vtable_verify" != no; then 2702 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2703fi 2704 2705# Determine whether gdb needs tk/tcl or not. 2706# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2707# and in that case we want gdb to be built without tk. Ugh! 2708# In fact I believe gdb is the *only* package directly dependent on tk, 2709# so we should be able to put the 'maybe's in unconditionally and 2710# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2711# 100% sure that that's safe though. 2712 2713gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2714case "$enable_gdbtk" in 2715 no) 2716 GDB_TK="" ;; 2717 yes) 2718 GDB_TK="${gdb_tk}" ;; 2719 *) 2720 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2721 # distro. Eventually someone will fix this and move Insight, nee 2722 # gdbtk to a separate directory. 2723 if test -d ${srcdir}/gdb/gdbtk ; then 2724 GDB_TK="${gdb_tk}" 2725 else 2726 GDB_TK="" 2727 fi 2728 ;; 2729esac 2730CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2731INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2732 2733# gdb depends on gnulib and gdbsupport, but as nothing else does, only 2734# include them if gdb is built. 2735if echo " ${configdirs} " | grep " gdb " > /dev/null 2>&1 ; then 2736 # The Makefile provides the ordering, so it's enough here to add to 2737 # the list. 2738 configdirs="${configdirs} gnulib gdbsupport" 2739fi 2740 2741# Strip out unwanted targets. 2742 2743# While at that, we remove Makefiles if we were started for recursive 2744# configuration, so that the top-level Makefile reconfigures them, 2745# like we used to do when configure itself was recursive. 2746 2747# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2748# but now we're fixing up the Makefile ourselves with the additional 2749# commands passed to AC_CONFIG_FILES. Use separate variables 2750# extrasub-{build,host,target} not because there is any reason to split 2751# the substitutions up that way, but only to remain below the limit of 2752# 99 commands in a script, for HP-UX sed. 2753 2754# Do not nest @if/@endif or @unless/@endunless pairs, because 2755# configure will not warn you at all. 2756 2757case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2758 yes:yes:*\ gold\ *:*,c++,*) ;; 2759 yes:yes:*\ gold\ *:*) 2760 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2761 ;; 2762esac 2763 2764extrasub_build= 2765for module in ${build_configdirs} ; do 2766 if test -z "${no_recursion}" \ 2767 && test -f ${build_subdir}/${module}/Makefile; then 2768 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2769 rm -f ${build_subdir}/${module}/Makefile 2770 fi 2771 extrasub_build="$extrasub_build 2772/^@if build-$module\$/d 2773/^@endif build-$module\$/d 2774/^@unless build-$module\$/,/^@endunless build-$module\$/d 2775/^@if build-$module-$bootstrap_suffix\$/d 2776/^@endif build-$module-$bootstrap_suffix\$/d 2777/^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d" 2778done 2779extrasub_host= 2780for module in ${configdirs} ; do 2781 if test -z "${no_recursion}"; then 2782 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2783 if test -f ${file}; then 2784 echo 1>&2 "*** removing ${file} to force reconfigure" 2785 rm -f ${file} 2786 fi 2787 done 2788 fi 2789 case ${module},${bootstrap_fixincludes} in 2790 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; 2791 *) host_bootstrap_suffix=$bootstrap_suffix ;; 2792 esac 2793 extrasub_host="$extrasub_host 2794/^@if $module\$/d 2795/^@endif $module\$/d 2796/^@unless $module\$/,/^@endunless $module\$/d 2797/^@if $module-$host_bootstrap_suffix\$/d 2798/^@endif $module-$host_bootstrap_suffix\$/d 2799/^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d" 2800done 2801extrasub_target= 2802for module in ${target_configdirs} ; do 2803 if test -z "${no_recursion}" \ 2804 && test -f ${target_subdir}/${module}/Makefile; then 2805 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2806 rm -f ${target_subdir}/${module}/Makefile 2807 fi 2808 2809 # We only bootstrap target libraries listed in bootstrap_target_libs. 2810 case $bootstrap_target_libs in 2811 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2812 *) target_bootstrap_suffix=no-bootstrap ;; 2813 esac 2814 2815 extrasub_target="$extrasub_target 2816/^@if target-$module\$/d 2817/^@endif target-$module\$/d 2818/^@unless target-$module\$/,/^@endunless target-$module\$/d 2819/^@if target-$module-$target_bootstrap_suffix\$/d 2820/^@endif target-$module-$target_bootstrap_suffix\$/d 2821/^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d" 2822done 2823 2824# Do the final fixup along with target modules. 2825extrasub_target="$extrasub_target 2826/^@if /,/^@endif /d 2827/^@unless /d 2828/^@endunless /d" 2829 2830# Create the serialization dependencies. This uses a temporary file. 2831 2832AC_ARG_ENABLE([serial-configure], 2833[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 2834 [force sequential configuration of 2835 sub-packages for the host, target or build 2836 machine, or all sub-packages])]) 2837 2838case ${enable_serial_configure} in 2839 yes) 2840 enable_serial_build_configure=yes 2841 enable_serial_host_configure=yes 2842 enable_serial_target_configure=yes 2843 ;; 2844esac 2845 2846# These force 'configure's to be done one at a time, to avoid problems 2847# with contention over a shared config.cache. 2848rm -f serdep.tmp 2849echo '# serdep.tmp' > serdep.tmp 2850olditem= 2851test "x${enable_serial_build_configure}" = xyes && 2852for item in ${build_configdirs} ; do 2853 case ${olditem} in 2854 "") ;; 2855 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2856 esac 2857 olditem=${item} 2858done 2859olditem= 2860test "x${enable_serial_host_configure}" = xyes && 2861for item in ${configdirs} ; do 2862 case ${olditem} in 2863 "") ;; 2864 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2865 esac 2866 olditem=${item} 2867done 2868olditem= 2869test "x${enable_serial_target_configure}" = xyes && 2870for item in ${target_configdirs} ; do 2871 case ${olditem} in 2872 "") ;; 2873 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2874 esac 2875 olditem=${item} 2876done 2877serialization_dependencies=serdep.tmp 2878AC_SUBST_FILE(serialization_dependencies) 2879 2880# Base args. Strip norecursion, cache-file, srcdir, host, build, 2881# target, nonopt, and variable assignments. These are the ones we 2882# might not want to pass down to subconfigures. The exception being 2883# --cache-file=/dev/null, which is used to turn off the use of cache 2884# files altogether, and which should be passed on to subconfigures. 2885# Also strip program-prefix, program-suffix, and program-transform-name, 2886# so that we can pass down a consistent program-transform-name. 2887baseargs= 2888tbaseargs= 2889keep_next=no 2890skip_next=no 2891eval "set -- $ac_configure_args" 2892for ac_arg 2893do 2894 if test X"$skip_next" = X"yes"; then 2895 skip_next=no 2896 continue 2897 fi 2898 if test X"$keep_next" = X"yes"; then 2899 case $ac_arg in 2900 *\'*) 2901 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2902 esac 2903 baseargs="$baseargs '$ac_arg'" 2904 tbaseargs="$tbaseargs '$ac_arg'" 2905 keep_next=no 2906 continue 2907 fi 2908 2909 # Handle separated arguments. Based on the logic generated by 2910 # autoconf 2.59. 2911 case $ac_arg in 2912 *=* | --config-cache | -C | -disable-* | --disable-* \ 2913 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 2914 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 2915 | -with-* | --with-* | -without-* | --without-* | --x) 2916 separate_arg=no 2917 ;; 2918 -*) 2919 separate_arg=yes 2920 ;; 2921 *) 2922 separate_arg=no 2923 ;; 2924 esac 2925 2926 skip_targ=no 2927 case $ac_arg in 2928changequote(,) 2929 --with-* | --without-*) 2930 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 2931 2932 case $libopt in 2933 *[-_]include) 2934 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 2935 ;; 2936 *[-_]lib) 2937 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 2938 ;; 2939 *) 2940 lib=$libopt 2941 ;; 2942 esac 2943changequote([,]) 2944 2945 case $lib in 2946 mpc | mpfr | gmp | isl) 2947 # If we're processing --with-$lib, --with-$lib-include or 2948 # --with-$lib-lib, for one of the libs above, and target is 2949 # different from host, don't pass the current argument to any 2950 # target library's configure. 2951 if test x$is_cross_compiler = xyes; then 2952 skip_targ=yes 2953 fi 2954 ;; 2955 esac 2956 ;; 2957 esac 2958 2959 case "$ac_arg" in 2960 --cache-file=/dev/null | \ 2961 -cache-file=/dev/null ) 2962 # Handled here to avoid the test to skip args below. 2963 baseargs="$baseargs '$ac_arg'" 2964 tbaseargs="$tbaseargs '$ac_arg'" 2965 # Assert: $separate_arg should always be no. 2966 keep_next=$separate_arg 2967 ;; 2968 --no*) 2969 continue 2970 ;; 2971 --c* | \ 2972 --sr* | \ 2973 --ho* | \ 2974 --bu* | \ 2975 --t* | \ 2976 --program-* | \ 2977 -cache_file* | \ 2978 -srcdir* | \ 2979 -host* | \ 2980 -build* | \ 2981 -target* | \ 2982 -program-prefix* | \ 2983 -program-suffix* | \ 2984 -program-transform-name* ) 2985 skip_next=$separate_arg 2986 continue 2987 ;; 2988 -*) 2989 # An option. Add it. 2990 case $ac_arg in 2991 *\'*) 2992 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2993 esac 2994 baseargs="$baseargs '$ac_arg'" 2995 if test X"$skip_targ" = Xno; then 2996 tbaseargs="$tbaseargs '$ac_arg'" 2997 fi 2998 keep_next=$separate_arg 2999 ;; 3000 *) 3001 # Either a variable assignment, or a nonopt (triplet). Don't 3002 # pass it down; let the Makefile handle this. 3003 continue 3004 ;; 3005 esac 3006done 3007# Remove the initial space we just introduced and, as these will be 3008# expanded by make, quote '$'. 3009baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 3010 3011# Add in --program-transform-name, after --program-prefix and 3012# --program-suffix have been applied to it. Autoconf has already 3013# doubled dollar signs and backslashes in program_transform_name; we want 3014# the backslashes un-doubled, and then the entire thing wrapped in single 3015# quotes, because this will be expanded first by make and then by the shell. 3016# Also, because we want to override the logic in subdir configure scripts to 3017# choose program_transform_name, replace any s,x,x, with s,y,y,. 3018sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 3019${program_transform_name} 3020EOF_SED 3021gcc_transform_name=`cat conftestsed.out` 3022rm -f conftestsed.out 3023baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 3024tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 3025if test "$silent" = yes; then 3026 baseargs="$baseargs --silent" 3027 tbaseargs="$tbaseargs --silent" 3028fi 3029baseargs="$baseargs --disable-option-checking" 3030tbaseargs="$tbaseargs --disable-option-checking" 3031 3032# Record and document user additions to sub configure arguments. 3033AC_ARG_VAR([build_configargs], 3034 [additional configure arguments for build directories]) 3035AC_ARG_VAR([host_configargs], 3036 [additional configure arguments for host directories]) 3037AC_ARG_VAR([target_configargs], 3038 [additional configure arguments for target directories]) 3039 3040# For the build-side libraries, we just need to pretend we're native, 3041# and not use the same cache file. Multilibs are neither needed nor 3042# desired. We can't even use the same cache file for all build-side 3043# libraries, as they're compiled differently; some with C, some with 3044# C++ or with different feature-enabling options. 3045build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" 3046 3047# For host modules, accept cache file option, or specification as blank. 3048case "${cache_file}" in 3049"") # empty 3050 cache_file_option="" ;; 3051/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 3052 cache_file_option="--cache-file=${cache_file}" ;; 3053*) # relative path 3054 cache_file_option="--cache-file=../${cache_file}" ;; 3055esac 3056 3057# Host dirs don't like to share a cache file either, horribly enough. 3058# This seems to be due to autoconf 2.5x stupidity. 3059host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 3060 3061target_configargs="$target_configargs ${tbaseargs}" 3062 3063# Passing a --with-cross-host argument lets the target libraries know 3064# whether they are being built with a cross-compiler or being built 3065# native. However, it would be better to use other mechanisms to make the 3066# sorts of decisions they want to make on this basis. Please consider 3067# this option to be deprecated. FIXME. 3068if test x${is_cross_compiler} = xyes ; then 3069 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 3070fi 3071 3072# Special user-friendly check for native x86_64-linux build, if 3073# multilib is not explicitly enabled. 3074case "$target:$have_compiler:$host:$target:$enable_multilib" in 3075 x86_64-*linux*:yes:$build:$build:) 3076 # Make sure we have a development environment that handles 32-bit 3077 dev64=no 3078 echo "int main () { return 0; }" > conftest.c 3079 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 3080 if test $? = 0 ; then 3081 if test -s conftest || test -s conftest.exe ; then 3082 dev64=yes 3083 fi 3084 fi 3085 rm -f conftest* 3086 if test x${dev64} != xyes ; then 3087 AC_MSG_ERROR([I suspect your system does not have 32-bit development libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.]) 3088 fi 3089 ;; 3090esac 3091 3092# Default to --enable-multilib. 3093if test x${enable_multilib} = x ; then 3094 target_configargs="--enable-multilib ${target_configargs}" 3095fi 3096 3097# Pass --with-newlib if appropriate. Note that target_configdirs has 3098# changed from the earlier setting of with_newlib. 3099if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 3100 target_configargs="--with-newlib ${target_configargs}" 3101fi 3102 3103# Different target subdirs use different values of certain variables 3104# (notably CXX). Worse, multilibs use *lots* of different values. 3105# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 3106# it doesn't automatically accept command-line overrides of them. 3107# This means it's not safe for target subdirs to share a cache file, 3108# which is disgusting, but there you have it. Hopefully this can be 3109# fixed in future. It's still worthwhile to use a cache file for each 3110# directory. I think. 3111 3112# Pass the appropriate --build, --host, --target and --cache-file arguments. 3113# We need to pass --target, as newer autoconf's requires consistency 3114# for target_alias and gcc doesn't manage it consistently. 3115target_configargs="--cache-file=./config.cache ${target_configargs}" 3116 3117FLAGS_FOR_TARGET= 3118case " $target_configdirs " in 3119 *" newlib "*) 3120 case " $target_configargs " in 3121 *" --with-newlib "*) 3122 case "$target" in 3123 *-cygwin*) 3124 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 3125 ;; 3126 esac 3127 3128 # If we're not building GCC, don't discard standard headers. 3129 if test -d ${srcdir}/gcc; then 3130 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 3131 3132 if test "${build}" != "${host}"; then 3133 # On Canadian crosses, CC_FOR_TARGET will have already been set 3134 # by `configure', so we won't have an opportunity to add -Bgcc/ 3135 # to it. This is right: we don't want to search that directory 3136 # for binaries, but we want the header files in there, so add 3137 # them explicitly. 3138 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 3139 3140 # Someone might think of using the pre-installed headers on 3141 # Canadian crosses, in case the installed compiler is not fully 3142 # compatible with the compiler being built. In this case, it 3143 # would be better to flag an error than risking having 3144 # incompatible object files being constructed. We can't 3145 # guarantee that an error will be flagged, but let's hope the 3146 # compiler will do it, when presented with incompatible header 3147 # files. 3148 fi 3149 fi 3150 3151 case "${target}-${is_cross_compiler}" in 3152 i[[3456789]]86-*-linux*-no) 3153 # Here host == target, so we don't need to build gcc, 3154 # so we don't want to discard standard headers. 3155 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3156 ;; 3157 *) 3158 # If we're building newlib, use its generic headers last, but search 3159 # for any libc-related directories first (so make it the last -B 3160 # switch). 3161 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3162 3163 # If we're building libgloss, find the startup file, simulator library 3164 # and linker script. 3165 case " $target_configdirs " in 3166 *" libgloss "*) 3167 # Look for startup file, simulator library and maybe linker script. 3168 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3169 # Look for libnosys.a in case the target needs it. 3170 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3171 # Most targets have the linker script in the source directory. 3172 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3173 ;; 3174 esac 3175 ;; 3176 esac 3177 ;; 3178 esac 3179 ;; 3180esac 3181 3182case "$target" in 3183 x86_64-*mingw* | *-w64-mingw*) 3184 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3185 # however, use a symlink named 'mingw' in ${prefix} . 3186 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3187 ;; 3188 *-mingw*) 3189 # MinGW can't be handled as Cygwin above since it does not use newlib. 3190 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' 3191 ;; 3192esac 3193 3194# Allow the user to override the flags for 3195# our build compiler if desired. 3196if test x"${build}" = x"${host}" ; then 3197 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3198 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3199 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3200fi 3201 3202# On Canadian crosses, we'll be searching the right directories for 3203# the previously-installed cross compiler, so don't bother to add 3204# flags for directories within the install tree of the compiler 3205# being built; programs in there won't even run. 3206if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3207 # Search for pre-installed headers if nothing else fits. 3208 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3209fi 3210 3211if test "x${use_gnu_ld}" = x && 3212 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3213 # Arrange for us to find uninstalled linker scripts. 3214 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3215fi 3216 3217# Search for other target-specific linker scripts and such. 3218case "${target}" in 3219 mep*) 3220 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3221 ;; 3222esac 3223 3224# Makefile fragments. 3225for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3226do 3227 eval fragval=\$$frag 3228 if test $fragval != /dev/null; then 3229 eval $frag=${srcdir}/$fragval 3230 fi 3231done 3232AC_SUBST_FILE(host_makefile_frag) 3233AC_SUBST_FILE(target_makefile_frag) 3234AC_SUBST_FILE(alphaieee_frag) 3235AC_SUBST_FILE(ospace_frag) 3236 3237# Miscellanea: directories, flags, etc. 3238AC_SUBST(RPATH_ENVVAR) 3239AC_SUBST(GCC_SHLIB_SUBDIR) 3240AC_SUBST(tooldir) 3241AC_SUBST(build_tooldir) 3242AC_SUBST(CONFIGURE_GDB_TK) 3243AC_SUBST(GDB_TK) 3244AC_SUBST(INSTALL_GDB_TK) 3245 3246# Build module lists & subconfigure args. 3247AC_SUBST(build_configargs) 3248AC_SUBST(build_configdirs) 3249 3250# Host module lists & subconfigure args. 3251AC_SUBST(host_configargs) 3252AC_SUBST(configdirs) 3253AC_SUBST(target_configdirs) 3254 3255# Target module lists & subconfigure args. 3256AC_SUBST(target_configargs) 3257 3258 3259# Build tools. 3260AC_SUBST(AR_FOR_BUILD) 3261AC_SUBST(AS_FOR_BUILD) 3262AC_SUBST(CC_FOR_BUILD) 3263AC_SUBST(CFLAGS_FOR_BUILD) 3264AC_SUBST(CXXFLAGS_FOR_BUILD) 3265AC_SUBST(CXX_FOR_BUILD) 3266AC_SUBST(DLLTOOL_FOR_BUILD) 3267AC_SUBST(GFORTRAN_FOR_BUILD) 3268AC_SUBST(GOC_FOR_BUILD) 3269AC_SUBST(LDFLAGS_FOR_BUILD) 3270AC_SUBST(LD_FOR_BUILD) 3271AC_SUBST(NM_FOR_BUILD) 3272AC_SUBST(RANLIB_FOR_BUILD) 3273AC_SUBST(WINDMC_FOR_BUILD) 3274AC_SUBST(WINDRES_FOR_BUILD) 3275 3276# Generate default definitions for YACC, M4, LEX and other programs that run 3277# on the build machine. These are used if the Makefile can't locate these 3278# programs in objdir. 3279MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3280 3281AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3282case " $build_configdirs " in 3283 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3284esac 3285 3286AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3287case " $build_configdirs " in 3288 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3289esac 3290 3291AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3292case " $build_configdirs " in 3293 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3294esac 3295 3296AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3297case " $build_configdirs " in 3298 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3299 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3300esac 3301 3302AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3303case " $build_configdirs " in 3304 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3305esac 3306 3307AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3308case " $build_configdirs " in 3309 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3310 *) 3311changequote(,) 3312 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3313 # higher, else we use the "missing" dummy. 3314 if ${MAKEINFO} --version \ 3315 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3316 : 3317 else 3318 MAKEINFO="$MISSING makeinfo" 3319 fi 3320 ;; 3321changequote([,]) 3322esac 3323 3324# FIXME: expect and dejagnu may become build tools? 3325 3326AC_CHECK_PROGS(EXPECT, expect, expect) 3327case " $configdirs " in 3328 *" expect "*) 3329 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3330 ;; 3331esac 3332 3333AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3334case " $configdirs " in 3335 *" dejagnu "*) 3336 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3337 ;; 3338esac 3339 3340 3341# Host tools. 3342NCN_STRICT_CHECK_TOOLS(AR, ar) 3343NCN_STRICT_CHECK_TOOLS(AS, as) 3344NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3345NCN_STRICT_CHECK_TOOLS(LD, ld) 3346NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3347NCN_STRICT_CHECK_TOOLS(NM, nm) 3348NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3349NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3350NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3351NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3352NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3353NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3354NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3355AC_SUBST(CC) 3356AC_SUBST(CXX) 3357AC_SUBST(CFLAGS) 3358AC_SUBST(CXXFLAGS) 3359 3360# Target tools. 3361AC_ARG_WITH([build-time-tools], 3362 [AS_HELP_STRING([--with-build-time-tools=PATH], 3363 [use given path to find target tools during the build])], 3364 [case x"$withval" in 3365 x/*) ;; 3366 *) 3367 with_build_time_tools= 3368 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3369 ;; 3370 esac], 3371 [with_build_time_tools=]) 3372 3373NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3374NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3375NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3376NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3377NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3378 3379ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3380ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3381ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3382ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3383ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3384ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3385ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) 3386ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3387ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3388ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3389ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3390ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3391ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3392 3393RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3394 3395GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3396GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3397GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3398dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3399GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3400 [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3401 c++) 3402GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3403 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3404 c++) 3405GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3406GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3407GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3408 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3409GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3410 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3411GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3412GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3413GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3414GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) 3415GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3416GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3417GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3418GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3419GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3420GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3421 3422AC_SUBST(FLAGS_FOR_TARGET) 3423AC_SUBST(RAW_CXX_FOR_TARGET) 3424 3425# Certain tools may need extra flags. 3426AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3427RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3428NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3429 3430# When building target libraries, except in a Canadian cross, we use 3431# the same toolchain as the compiler we just built. 3432COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3433COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3434COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3435if test $host = $build; then 3436 case " $configdirs " in 3437 *" gcc "*) 3438 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3439 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3440 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3441 ;; 3442 esac 3443fi 3444 3445AC_SUBST(COMPILER_AS_FOR_TARGET) 3446AC_SUBST(COMPILER_LD_FOR_TARGET) 3447AC_SUBST(COMPILER_NM_FOR_TARGET) 3448 3449AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3450AC_ARG_ENABLE(maintainer-mode, 3451[AS_HELP_STRING([--enable-maintainer-mode], 3452 [enable make rules and dependencies not useful 3453 (and sometimes confusing) to the casual installer])], 3454 USE_MAINTAINER_MODE=$enableval, 3455 USE_MAINTAINER_MODE=no) 3456AC_MSG_RESULT($USE_MAINTAINER_MODE) 3457AC_SUBST(MAINTAINER_MODE_TRUE) 3458AC_SUBST(MAINTAINER_MODE_FALSE) 3459if test "$USE_MAINTAINER_MODE" = yes; then 3460 MAINTAINER_MODE_TRUE= 3461 MAINTAINER_MODE_FALSE='#' 3462else 3463 MAINTAINER_MODE_TRUE='#' 3464 MAINTAINER_MODE_FALSE= 3465fi 3466MAINT=$MAINTAINER_MODE_TRUE 3467AC_SUBST(MAINT)dnl 3468 3469# --------------------- 3470# GCC bootstrap support 3471# --------------------- 3472 3473# Stage specific cflags for build. 3474stage1_cflags="-g" 3475case $build in 3476 vax-*-*) 3477 case ${GCC} in 3478 yes) stage1_cflags="-g -Wa,-J" ;; 3479 *) stage1_cflags="-g -J" ;; 3480 esac ;; 3481esac 3482 3483AC_SUBST(stage1_cflags) 3484 3485# Enable --enable-checking in stage1 of the compiler. 3486AC_ARG_ENABLE(stage1-checking, 3487[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3488 [choose additional checking for stage1 of the compiler])], 3489[stage1_checking=--enable-checking=${enable_stage1_checking}], 3490[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3491 # For --disable-checking or implicit --enable-checking=release, avoid 3492 # setting --enable-checking=gc in the default stage1 checking for LTO 3493 # bootstraps. See PR62077. 3494 case $BUILD_CONFIG in 3495 *lto*) 3496 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;; 3497 *) 3498 stage1_checking=--enable-checking=yes,types;; 3499 esac 3500 if test "x$enable_checking" = x && \ 3501 test -d ${srcdir}/gcc && \ 3502 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then 3503 stage1_checking=--enable-checking=yes,types,extra 3504 fi 3505else 3506 stage1_checking=--enable-checking=$enable_checking,types 3507fi]) 3508AC_SUBST(stage1_checking) 3509 3510# Enable -Werror in bootstrap stage2 and later. 3511AC_ARG_ENABLE(werror, 3512[AS_HELP_STRING([--enable-werror], 3513 [enable -Werror in bootstrap stage2 and later])], 3514[ 3515case ${enable_werror} in 3516 yes) stage2_werror_flag="--enable-werror-always" ;; 3517 *) stage2_werror_flag="" ;; 3518esac 3519], 3520[ 3521if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3522 case $BUILD_CONFIG in 3523 bootstrap-debug) 3524 stage2_werror_flag="--enable-werror-always" ;; 3525 "") 3526 stage2_werror_flag="--enable-werror-always" ;; 3527 esac 3528fi 3529]) 3530 3531AC_SUBST(stage2_werror_flag) 3532 3533# Specify what files to not compare during bootstrap. 3534 3535compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3536case "$target" in 3537 hppa*64*-*-hpux*) ;; 3538 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;; 3539 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; 3540esac 3541AC_SUBST(compare_exclusions) 3542 3543AC_CONFIG_FILES([Makefile], 3544 [sed "$extrasub_build" Makefile | 3545 sed "$extrasub_host" | 3546 sed "$extrasub_target" > mf$$ 3547 mv -f mf$$ Makefile], 3548 [extrasub_build="$extrasub_build" 3549 extrasub_host="$extrasub_host" 3550 extrasub_target="$extrasub_target"]) 3551AC_OUTPUT 3552